#663E4E#663E4E

#663E4E is a dark, moderate pink. Relative luminance 0.068; OKLCH L 41.6% C 0.060 H 354.5°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX#663E4E
RGBrgb(102, 62, 78)
HSLhsl(336, 24%, 32%)
HSVhsv(336, 39%, 40%)
CMYKcmyk(0%, 39.2%, 23.5%, 60%)
CIE-LABlab(31.39, 19.98, -2.30)
CIE-LCHlch(31.39, 20.12, 353.44°)
OKLaboklab(41.64% 0.0599 -0.0058)
OKLCHoklch(41.64% 0.06 354.5)
XYZxyz(8.5774, 6.8206, 8.0710)
Luminance0.0682 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663E4E #3E6656
analogous
#663E62 #663E4E #66423E
triadic
#663E4E #4E663E #3E4E66
tetradic
#663E4E #62663E #3E6656 #423E66
square
#663E4E #62663E #3E6656 #423E66
split-complementary
#663E4E #3E6642 #3E6266
monochromatic
#1A1014 #402731 #663E4E #8C556B #AA748A

Accessibility & contrast

On white

8.88
#663E4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#663E4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E4E
8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663E4E#FFFFFF#000000##FFFFFF
##663E4E1.008.882.368.88
#FFFFFF8.881.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#43464F
Deuteranopia (green-blind)
#4C4C4D
Tritanopia (blue-blind)
#6C3C44
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #663e4e;
/* rgb */ color: rgb(102, 62, 78);
/* oklch */ color: oklch(41.6% 0.060 354.5);
Tailwind
colors: {
  custom: {
    50: '#93747f',
    500: '#663e4e',
    950: '#000000',
  },
}
SCSS
$custom: #663e4e;
$custom-light: #93747f;
$custom-dark: #000000;
JSON
{
  "hex": "#663e4e",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 78
  },
  "hsl": {
    "h": 336,
    "s": 24.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41637,
    "c": 0.06021,
    "h": 354.5
  },
  "luminance": 0.0682
}

Semantic roles & 50–950 ramp

primary
#663E4E
secondary
#6A9684
accent
#C19D67
background
#F9F7F7
surface
#F1EDEE
border
#CBC8C9
text
#0D080A
muted
#7E7B7C

Preview Lab

Preview with #663E4E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#663E4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva