#663E4D#663E4D

#663E4D is a dark, muted pink. Relative luminance 0.068; OKLCH L 41.6% C 0.060 H 355.9°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX#663E4D
RGBrgb(102, 62, 77)
HSLhsl(338, 24%, 32%)
HSVhsv(338, 39%, 40%)
CMYKcmyk(0%, 39.2%, 24.5%, 60%)
CIE-LABlab(31.36, 19.81, -1.70)
CIE-LCHlch(31.36, 19.89, 355.10°)
OKLaboklab(41.6% 0.0595 -0.0042)
OKLCHoklch(41.6% 0.06 355.9)
XYZxyz(8.5418, 6.8064, 7.8836)
Luminance0.0681 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663E4D #3E6657
analogous
#663E61 #663E4D #66433E
triadic
#663E4D #4D663E #3E4D66
tetradic
#663E4D #61663E #3E6657 #433E66
square
#663E4D #61663E #3E6657 #433E66
split-complementary
#663E4D #3E6643 #3E6166
monochromatic
#1A1014 #402730 #663E4D #8C556A #AA7488

Accessibility & contrast

On white

8.89
#663E4D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#663E4D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E4D
8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663E4D#FFFFFF#000000##FFFFFF
##663E4D1.008.892.368.89
#FFFFFF8.891.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#43464E
Deuteranopia (green-blind)
#4D4C4C
Tritanopia (blue-blind)
#6C3C43
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #663e4d;
/* rgb */ color: rgb(102, 62, 77);
/* oklch */ color: oklch(41.6% 0.060 355.9);
Tailwind
colors: {
  custom: {
    50: '#93747e',
    500: '#663e4d',
    950: '#000000',
  },
}
SCSS
$custom: #663e4d;
$custom-light: #93747e;
$custom-dark: #000000;
JSON
{
  "hex": "#663e4d",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 77
  },
  "hsl": {
    "h": 337.5,
    "s": 24.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41601,
    "c": 0.05968,
    "h": 355.9
  },
  "luminance": 0.06806
}

Semantic roles & 50–950 ramp

primary
#663E4D
secondary
#6A9685
accent
#C19F67
background
#F9F7F7
surface
#F1EDEE
border
#CBC8C9
text
#0D080A
muted
#7E7B7C

Preview Lab

Preview with #663E4D

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

Preview Lab → · Contrast checker → · Palette generator →

#663E4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva