#663D4C#663D4C

#663D4C is a dark, moderate pink. Relative luminance 0.067; OKLCH L 41.4% C 0.061 H 356.6°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX#663D4C
RGBrgb(102, 61, 76)
HSLhsl(338, 25%, 32%)
HSVhsv(338, 40%, 40%)
CMYKcmyk(0%, 40.2%, 25.5%, 60%)
CIE-LABlab(31.08, 20.26, -1.47)
CIE-LCHlch(31.08, 20.31, 355.85°)
OKLaboklab(41.37% 0.061 -0.0036)
OKLCHoklch(41.37% 0.061 356.6)
XYZxyz(8.4529, 6.6846, 7.6811)
Luminance0.0668 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663D4C #3D6657
analogous
#663D61 #663D4C #66433D
triadic
#663D4C #4C663D #3D4C66
tetradic
#663D4C #61663D #3D6657 #433D66
square
#663D4C #61663D #3D6657 #433D66
split-complementary
#663D4C #3D6643 #3D6166
monochromatic
#190F13 #40262F #663D4C #8C5469 #AB7287

Accessibility & contrast

On white

8.99
#663D4C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#663D4C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D4C
8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663D4C#FFFFFF#000000##FFFFFF
##663D4C1.008.992.348.99
#FFFFFF8.991.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#42454D
Deuteranopia (green-blind)
#4C4C4B
Tritanopia (blue-blind)
#6C3B42
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #663d4c;
/* rgb */ color: rgb(102, 61, 76);
/* oklch */ color: oklch(41.4% 0.061 356.6);
Tailwind
colors: {
  custom: {
    50: '#93737e',
    500: '#663d4c',
    950: '#000000',
  },
}
SCSS
$custom: #663d4c;
$custom-light: #93737e;
$custom-dark: #000000;
JSON
{
  "hex": "#663d4c",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 76
  },
  "hsl": {
    "h": 338.049,
    "s": 25.153,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41373,
    "c": 0.06106,
    "h": 356.6
  },
  "luminance": 0.06684
}

Semantic roles & 50–950 ramp

primary
#663D4C
secondary
#699685
accent
#C2A066
background
#F9F7F7
surface
#F1EDEE
border
#CBC8C9
text
#0D0809
muted
#7E7B7B

Preview Lab

Preview with #663D4C

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

Preview Lab → · Contrast checker → · Palette generator →

#663D4C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva