#663C4E#663C4E

#663C4E is a dark, moderate pink. Relative luminance 0.066; OKLCH L 41.3% C 0.064 H 353.0°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX#663C4E
RGBrgb(102, 60, 78)
HSLhsl(334, 26%, 32%)
HSVhsv(334, 41%, 40%)
CMYKcmyk(0%, 41.2%, 23.5%, 60%)
CIE-LABlab(30.90, 21.20, -3.04)
CIE-LCHlch(30.90, 21.42, 351.85°)
OKLaboklab(41.26% 0.0636 -0.0078)
OKLCHoklch(41.26% 0.064 353)
XYZxyz(8.4707, 6.6071, 8.0354)
Luminance0.0661 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663C4E #3C6654
analogous
#663C63 #663C4E #663F3C
triadic
#663C4E #4E663C #3C4E66
tetradic
#663C4E #63663C #3C6654 #3F3C66
square
#663C4E #63663C #3C6654 #3F3C66
split-complementary
#663C4E #3C663F #3C6366
monochromatic
#190F13 #3F2531 #663C4E #8D536B #AB718A

Accessibility & contrast

On white

9.05
#663C4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.32
#663C4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663C4E
9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663C4E#FFFFFF#000000##FFFFFF
##663C4E1.009.052.329.05
#FFFFFF9.051.0021.001.00
#0000002.3221.001.0021.00
##FFFFFF9.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#41444F
Deuteranopia (green-blind)
#4B4B4D
Tritanopia (blue-blind)
#6C3A42
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #663c4e;
/* rgb */ color: rgb(102, 60, 78);
/* oklch */ color: oklch(41.3% 0.064 353.0);
Tailwind
colors: {
  custom: {
    50: '#93727f',
    500: '#663c4e',
    950: '#000000',
  },
}
SCSS
$custom: #663c4e;
$custom-light: #93727f;
$custom-dark: #000000;
JSON
{
  "hex": "#663c4e",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 334.286,
    "s": 25.926,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41256,
    "c": 0.06403,
    "h": 353
  },
  "luminance": 0.06607
}

Semantic roles & 50–950 ramp

primary
#663C4E
secondary
#689682
accent
#C29B65
background
#F9F6F7
surface
#F1ECEE
border
#CBC7C9
text
#0D080A
muted
#7E7B7C

Preview Lab

Preview with #663C4E

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

Preview Lab → · Contrast checker → · Palette generator →

#663C4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva