#663B5D#663B5D

#663B5D is a dark, moderate pink. Relative luminance 0.067; OKLCH L 41.7% C 0.078 H 335.0°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX#663B5D
RGBrgb(102, 59, 93)
HSLhsl(313, 27%, 32%)
HSVhsv(313, 42%, 40%)
CMYKcmyk(0%, 42.2%, 8.8%, 60%)
CIE-LABlab(31.22, 24.54, -12.25)
CIE-LCHlch(31.22, 27.43, 333.48°)
OKLaboklab(41.69% 0.0706 -0.0329)
OKLCHoklch(41.69% 0.078 335)
XYZxyz(9.0192, 6.7435, 11.1804)
Luminance0.0674 (WCAG relative)
Temperatureneutral
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663B5D #3B6644
analogous
#5A3B66 #663B5D #663B48
triadic
#663B5D #5D663B #3B5D66
tetradic
#663B5D #665A3B #3B6644 #3B4866
square
#663B5D #665A3B #3B6644 #3B4866
split-complementary
#663B5D #48663B #3B665A
monochromatic
#180E16 #3F253A #663B5D #8D5180 #AC6F9F

Accessibility & contrast

On white

8.94
#663B5D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#663B5D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663B5D
8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663B5D#FFFFFF#000000##FFFFFF
##663B5D1.008.942.358.94
#FFFFFF8.941.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B465E
Deuteranopia (green-blind)
#464C5C
Tritanopia (blue-blind)
#6A3D48
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #663b5d;
/* rgb */ color: rgb(102, 59, 93);
/* oklch */ color: oklch(41.7% 0.078 335.0);
Tailwind
colors: {
  custom: {
    50: '#92728b',
    500: '#663b5d',
    950: '#000000',
  },
}
SCSS
$custom: #663b5d;
$custom-light: #92728b;
$custom-dark: #000000;
JSON
{
  "hex": "#663b5d",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 93
  },
  "hsl": {
    "h": 312.558,
    "s": 26.708,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41685,
    "c": 0.07788,
    "h": 335
  },
  "luminance": 0.06743
}

Semantic roles & 50–950 ramp

primary
#663B5D
secondary
#679671
accent
#C37865
background
#F9F6F8
surface
#F1ECF0
border
#CBC7CB
text
#0D080C
muted
#7E7B7D

Preview Lab

Preview with #663B5D

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

Preview Lab → · Contrast checker → · Palette generator →

#663B5D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva