#631738#631738

#631738 is a dark, moderate pink. Relative luminance 0.036; OKLCH L 34.3% C 0.112 H 358.5°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#631738
RGB	rgb(99, 23, 56)
HSL	hsl(334, 62%, 24%)
HSV	hsv(334, 77%, 39%)
CMYK	cmyk(0%, 76.8%, 43.4%, 61.2%)
CIE-LAB	lab(22.13, 36.55, -1.30)
CIE-LCH	lch(22.13, 36.58, 357.96°)
OKLab	oklab(34.34% 0.1121 -0.003)
OKLCH	oklch(34.34% 0.112 358.5)
XYZ	xyz(6.1662, 3.5517, 4.1015)
Luminance	0.0355 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631738 #176342

analogous

#63175E #631738 #631C17

triadic

#631738 #386317 #173863

tetradic

#631738 #5E6317 #176342 #1C1763

square

#631738 #5E6317 #176342 #1C1763

split-complementary

#631738 #17631C #175E63

monochromatic

#19060E #310B1C #631738 #952354 #C62E70

Accessibility & contrast

On white

12.28

#631738 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#631738 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631738

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631738	#FFFFFF	#000000	##FFFFFF
##631738	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272C39

Deuteranopia (green-blind)

#3B3A36

Tritanopia (blue-blind)

#6C0D25

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #631738;
/* rgb */ color: rgb(99, 23, 56);
/* oklch */ color: oklch(34.3% 0.112 358.5);

Tailwind

colors: {
  custom: {
    50: '#935b6e',
    500: '#631738',
    950: '#000000',
  },
}

SCSS

$custom: #631738;
$custom-light: #935b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#631738",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 56
  },
  "hsl": {
    "h": 333.947,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34342,
    "c": 0.11218,
    "h": 358.5
  },
  "luminance": 0.03551
}

Semantic roles & 50–950 ramp

primary

#631738

secondary

#3C9A71

accent

#E59F42

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0407

muted

#7E797A

Preview Lab

Preview with #631738

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

Preview Lab → · Contrast checker → · Palette generator →