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Colorbook
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Color Information

Black

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#40987B
RGB Values
64, 152, 123
HSL Values
160°, 41%, 42%
CMYK Values
58%, 0%, 19%, 40%

Color Variations & Tints

  • #64BEA0

    Lightness: 57%

  • #52B795

    Lightness: 52%

  • #47A988

    Lightness: 47%

  • #40987B

    Lightness: 42%

    Current color

  • #38856B

    Lightness: 37%

  • #30735D

    Lightness: 32%

  • #29614E

    Lightness: 27%

Accessibility

White Text
3.5
FAIL
Black Text
6.0
PASS
WCAG AA
PASS
WCAG AAA
FAIL

Accessibility Guide

Contrast Ratios
Higher values (4.5+) ensure better readability for users with visual impairments.
WCAG AA Standard
Minimum requirement: 4.5:1 contrast for normal text, 3:1 for large text.
WCAG AAA Standard
Enhanced level: 7:1 contrast for normal text, 4.5:1 for large text.

Color Harmonies

  • Complementary

    Colors opposite on the color wheel, creating high contrast

  • Triadic

    Three evenly spaced colors forming a triangle on the color wheel

  • Analogous

    Adjacent colors on the color wheel, creating harmony and unity

Be picky and fine tune your color: colors very near to #40987B

Systematic progression of extremely similar colors. Each color represents a precise step in lightness variation.

Current: #40987B

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