#631D3F#631D3F

#631D3F is a dark, moderate pink. Relative luminance 0.039; OKLCH L 35.3% C 0.107 H 354.0°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#631D3F
RGB	rgb(99, 29, 63)
HSL	hsl(331, 55%, 25%)
HSV	hsv(331, 71%, 39%)
CMYK	cmyk(0%, 70.7%, 36.4%, 61.2%)
CIE-LAB	lab(23.31, 34.86, -4.38)
CIE-LCH	lch(23.31, 35.13, 352.85°)
OKLab	oklab(35.29% 0.1065 -0.0111)
OKLCH	oklch(35.29% 0.107 354)
XYZ	xyz(6.4825, 3.8910, 5.1113)
Luminance	0.0389 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D3F #1D6341

analogous

#631D62 #631D3F #631E1D

triadic

#631D3F #3F631D #1D3F63

tetradic

#631D3F #62631D #1D6341 #1E1D63

square

#631D3F #62631D #1D6341 #1E1D63

split-complementary

#631D3F #1D631E #1D6263

monochromatic

#18070F #340F21 #631D3F #922B5D #C2397B

Accessibility & contrast

On white

11.81

#631D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#631D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D3F

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D3F	#FFFFFF	#000000	##FFFFFF
##631D3F	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292F40

Deuteranopia (green-blind)

#3C3C3D

Tritanopia (blue-blind)

#6B182B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #631d3f;
/* rgb */ color: rgb(99, 29, 63);
/* oklch */ color: oklch(35.3% 0.107 354.0);

Tailwind

colors: {
  custom: {
    50: '#935e74',
    500: '#631d3f',
    950: '#000000',
  },
}

SCSS

$custom: #631d3f;
$custom-light: #935e74;
$custom-dark: #000000;

JSON

{
  "hex": "#631d3f",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 63
  },
  "hsl": {
    "h": 330.857,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35293,
    "c": 0.10709,
    "h": 354
  },
  "luminance": 0.0389
}

Semantic roles & 50–950 ramp

primary

#631D3F

secondary

#44986F

accent

#DE964A

background

#F9F5F7

surface

#F2E9ED

border

#CCC5C8

text

#0D0508

muted

#7E797B

Preview Lab

Preview with #631D3F

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

Preview Lab → · Contrast checker → · Palette generator →