#663C5D#663C5D

#663C5D is a dark, moderate pink. Relative luminance 0.068; OKLCH L 41.9% C 0.076 H 335.1°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX#663C5D
RGBrgb(102, 60, 93)
HSLhsl(313, 26%, 32%)
HSVhsv(313, 41%, 40%)
CMYKcmyk(0%, 41.2%, 8.8%, 60%)
CIE-LABlab(31.46, 23.94, -11.88)
CIE-LCHlch(31.46, 26.73, 333.61°)
OKLaboklab(41.87% 0.0688 -0.0319)
OKLCHoklch(41.87% 0.076 335.1)
XYZxyz(9.0711, 6.8473, 11.1977)
Luminance0.0685 (WCAG relative)
Temperatureneutral
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663C5D #3C6645
analogous
#5A3C66 #663C5D #663C48
triadic
#663C5D #5D663C #3C5D66
tetradic
#663C5D #665A3C #3C6645 #3C4866
square
#663C5D #665A3C #3C6645 #3C4866
split-complementary
#663C5D #48663C #3C665A
monochromatic
#190F17 #3F253A #663C5D #8D5380 #AB719F

Accessibility & contrast

On white

8.86
#663C5D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#663C5D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663C5D
8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663C5D#FFFFFF#000000##FFFFFF
##663C5D1.008.862.378.86
#FFFFFF8.861.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C465E
Deuteranopia (green-blind)
#474C5C
Tritanopia (blue-blind)
#6A3E48
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #663c5d;
/* rgb */ color: rgb(102, 60, 93);
/* oklch */ color: oklch(41.9% 0.076 335.1);
Tailwind
colors: {
  custom: {
    50: '#92738b',
    500: '#663c5d',
    950: '#000000',
  },
}
SCSS
$custom: #663c5d;
$custom-light: #92738b;
$custom-dark: #000000;
JSON
{
  "hex": "#663c5d",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 93
  },
  "hsl": {
    "h": 312.857,
    "s": 25.926,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41867,
    "c": 0.07588,
    "h": 335.1
  },
  "luminance": 0.06847
}

Semantic roles & 50–950 ramp

primary
#663C5D
secondary
#689672
accent
#C27965
background
#F9F7F8
surface
#F1EDF0
border
#CBC8CB
text
#0D080C
muted
#7E7B7D

Preview Lab

Preview with #663C5D

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

Preview Lab → · Contrast checker → · Palette generator →

#663C5D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva