Logo Color Palette Generator Free Online Tool 2026

Last updated March 22, 2026

Generating a Tech Startup Palette

Start with a primary brand color and the generator builds a complete palette. Input: primary color #3b82f6 (blue):

Generated Logo Color Palette:
─────────────────────────────────────────────────────────────────────
Primary:     #3b82f6  "Ocean Blue"     RGB(59, 130, 246)
Secondary:   #1d4ed8  "Deep Blue"      RGB(29, 78, 216)
Accent:      #f59e0b  "Amber Gold"     RGB(245, 158, 11)
Light:       #eff6ff  "Sky Mist"       RGB(239, 246, 255)
Dark:        #1e3a5f  "Midnight Navy"  RGB(30, 58, 95)
Neutral:     #6b7280  "Slate Gray"     RGB(107, 114, 128)

Color psychology: Blue conveys trust, reliability, and professionalism.
Ideal for: technology, finance, healthcare, SaaS companies.

Generating a Sustainable Brand Palette

Input: primary color #16a34a (green) for an eco-friendly brand:

Generated Logo Color Palette:
─────────────────────────────────────────────────────────────────────
Primary:     #16a34a  "Forest Green"   RGB(22, 163, 74)
Secondary:   #15803d  "Deep Forest"    RGB(21, 128, 61)
Accent:      #ca8a04  "Earth Gold"     RGB(202, 138, 4)
Light:       #f0fdf4  "Mint Mist"      RGB(240, 253, 244)
Dark:        #14532d  "Pine Dark"      RGB(20, 83, 45)
Neutral:     #78716c  "Stone"          RGB(120, 113, 108)

Color psychology: Green suggests nature, growth, and sustainability.
Ideal for: environmental brands, organic food, wellness, agriculture.

Testing Palette in Different Contexts

The generator tests your palette across all required logo contexts:

Context Testing Results:
─────────────────────────────────────────────────────────────────────
Full color on white background:
  Primary #3b82f6 on white: Contrast ratio 3.0:1 ✓ (passes AA for large text)
  Dark text #1e3a5f on white: Contrast ratio 12.5:1 ✓ (passes AAA)

Full color on dark background:
  Primary #3b82f6 on #1e3a5f: Contrast ratio 2.8:1 ⚠ (use white text instead)
  White on #1e3a5f: Contrast ratio 13.2:1 ✓

Single color version:
  ✓ Logo works in single-color (primary blue only)

Black and white version:
  ✓ Logo remains recognizable in grayscale
  Grayscale values: Primary → 40% gray, Accent → 65% gray

Color Codes in All Formats

The generator provides every format needed for design and production:

Primary Color: Ocean Blue
─────────────────────────────────────────────────────────────────────
HEX:     #3b82f6
RGB:     rgb(59, 130, 246)
HSL:     hsl(217, 91%, 60%)
CMYK:    C:76% M:47% Y:0% K:4%
Pantone: PMS 2727 C (closest match)

Secondary Color: Deep Blue
─────────────────────────────────────────────────────────────────────
HEX:     #1d4ed8
RGB:     rgb(29, 78, 216)
HSL:     hsl(226, 76%, 48%)
CMYK:    C:87% M:64% Y:0% K:15%
Pantone: PMS 2728 C (closest match)

Simplified Palette for Screen Printing

Screen printing and embroidery work best with 2-3 colors. The generator suggests a simplified version:

Full palette: 6 colors
Simplified for screen printing (2 colors):
─────────────────────────────────────────────────────────────────────
Color 1: #3b82f6  "Ocean Blue"   (primary brand color)
Color 2: #1e3a5f  "Midnight Navy" (dark version for contrast)

Use cases:
  - T-shirts and merchandise
  - Embroidered uniforms
  - Single-color stamp or embossing
  - Engraving

The simplified palette maintains brand recognition while
reducing production costs for physical merchandise.

CSS Custom Properties Export

Export the palette as CSS variables for web development:

/* Generated CSS Custom Properties */
:root {
  --color-primary:    #3b82f6;  /* Ocean Blue */
  --color-secondary:  #1d4ed8;  /* Deep Blue */
  --color-accent:     #f59e0b;  /* Amber Gold */
  --color-light:      #eff6ff;  /* Sky Mist */
  --color-dark:       #1e3a5f;  /* Midnight Navy */
  --color-neutral:    #6b7280;  /* Slate Gray */

  /* RGB versions for opacity control */
  --color-primary-rgb:   59, 130, 246;
  --color-secondary-rgb: 29, 78, 216;
  --color-accent-rgb:    245, 158, 11;
}

/* Usage example */
.button-primary {
  background-color: var(--color-primary);
  color: white;
}

.button-primary:hover {
  background-color: var(--color-secondary);
}

Brand Color Usage Guidelines

The generator includes guidance on how to use each color:

Color Usage Guidelines:
─────────────────────────────────────────────────────────────────────
Ocean Blue (#3b82f6) — PRIMARY
  Use for: Logo mark, primary buttons, links, key UI elements
  Avoid: Large background areas (too intense)

Deep Blue (#1d4ed8) — SECONDARY
  Use for: Hover states, active states, dark backgrounds
  Avoid: Small text on dark backgrounds

Amber Gold (#f59e0b) — ACCENT
  Use for: Call-to-action highlights, badges, icons
  Avoid: Body text, large areas
  Note: Use sparingly — max 10% of design

Sky Mist (#eff6ff) — LIGHT
  Use for: Page backgrounds, card backgrounds, subtle sections
  Avoid: Text color

Midnight Navy (#1e3a5f) — DARK
  Use for: Footer backgrounds, dark mode, headings
  Avoid: Small text on dark backgrounds without sufficient contrast

Slate Gray (#6b7280) — NEUTRAL
  Use for: Body text, secondary text, borders, dividers

Complementary Color Schemes

The generator shows different color harmony options based on your primary color:

Color Harmony Options for #3b82f6 (Blue):
─────────────────────────────────────────────────────────────────────
Complementary (opposite on color wheel):
  Primary: #3b82f6 (Blue)
  Complement: #f6a43b (Orange)
  Best for: High contrast, energetic brands

Analogous (adjacent colors):
  #3b82f6 (Blue) + #6366f1 (Indigo) + #0ea5e9 (Sky Blue)
  Best for: Harmonious, cohesive brands

Triadic (three evenly spaced):
  #3b82f6 (Blue) + #f63b82 (Pink) + #82f63b (Green)
  Best for: Vibrant, playful brands

Split-complementary:
  #3b82f6 (Blue) + #f6823b (Orange) + #f6c23b (Yellow)
  Best for: Balanced contrast with variety