#663E4A#663E4A

#663E4A is a dark, muted pink. Relative luminance 0.068; OKLCH L 41.5% C 0.058 H 0.5°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX#663E4A
RGBrgb(102, 62, 74)
HSLhsl(342, 24%, 32%)
HSVhsv(342, 39%, 40%)
CMYKcmyk(0%, 39.2%, 27.5%, 60%)
CIE-LABlab(31.27, 19.32, 0.10)
CIE-LCHlch(31.27, 19.32, 0.30°)
OKLaboklab(41.5% 0.0583 0.0005)
OKLCHoklch(41.5% 0.058 0.5)
XYZxyz(8.4384, 6.7650, 7.3386)
Luminance0.0676 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663E4A #3E665A
analogous
#663E5E #663E4A #66463E
triadic
#663E4A #4A663E #3E4A66
tetradic
#663E4A #5E663E #3E665A #463E66
square
#663E4A #5E663E #3E665A #463E66
split-complementary
#663E4A #3E6646 #3E5E66
monochromatic
#1A1013 #40272E #663E4A #8C5566 #AA7484

Accessibility & contrast

On white

8.93
#663E4A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#663E4A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E4A
8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663E4A#FFFFFF#000000##FFFFFF
##663E4A1.008.932.358.93
#FFFFFF8.931.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#43454A
Deuteranopia (green-blind)
#4D4C49
Tritanopia (blue-blind)
#6C3C42
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #663e4a;
/* rgb */ color: rgb(102, 62, 74);
/* oklch */ color: oklch(41.5% 0.058 0.5);
Tailwind
colors: {
  custom: {
    50: '#93747c',
    500: '#663e4a',
    950: '#000000',
  },
}
SCSS
$custom: #663e4a;
$custom-light: #93747c;
$custom-dark: #000000;
JSON
{
  "hex": "#663e4a",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 74
  },
  "hsl": {
    "h": 342,
    "s": 24.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41495,
    "c": 0.05831,
    "h": 0.5
  },
  "luminance": 0.06764
}

Semantic roles & 50–950 ramp

primary
#663E4A
secondary
#6A9689
accent
#C1A667
background
#F9F7F7
surface
#F1EDEE
border
#CBC8C9
text
#0D0809
muted
#7E7B7B

Preview Lab

Preview with #663E4A

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

Preview Lab → · Contrast checker → · Palette generator →

#663E4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva