#631D40#631D40

#631D40 is a dark, moderate pink. Relative luminance 0.039; OKLCH L 35.3% C 0.108 H 353.2°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#631D40
RGB	rgb(99, 29, 64)
HSL	hsl(330, 55%, 25%)
HSV	hsv(330, 71%, 39%)
CMYK	cmyk(0%, 70.7%, 35.4%, 61.2%)
CIE-LAB	lab(23.35, 34.99, -5.00)
CIE-LCH	lch(23.35, 35.34, 351.86°)
OKLab	oklab(35.33% 0.1069 -0.0128)
OKLCH	oklch(35.33% 0.108 353.2)
XYZ	xyz(6.5107, 3.9023, 5.2598)
Luminance	0.0390 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D40 #1D6340

analogous

#631D63 #631D40 #631D1D

triadic

#631D40 #40631D #1D4063

tetradic

#631D40 #63631D #1D6340 #1D1D63

square

#631D40 #63631D #1D6340 #1D1D63

split-complementary

#631D40 #1D631D #1D6363

monochromatic

#18070F #340F21 #631D40 #922B5F #C2397D

Accessibility & contrast

On white

11.80

#631D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#631D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D40

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D40	#FFFFFF	#000000	##FFFFFF
##631D40	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283041

Deuteranopia (green-blind)

#3C3C3E

Tritanopia (blue-blind)

#6B182B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #631d40;
/* rgb */ color: rgb(99, 29, 64);
/* oklch */ color: oklch(35.3% 0.108 353.2);

Tailwind

colors: {
  custom: {
    50: '#935e74',
    500: '#631d40',
    950: '#000000',
  },
}

SCSS

$custom: #631d40;
$custom-light: #935e74;
$custom-dark: #000000;

JSON

{
  "hex": "#631d40",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 64
  },
  "hsl": {
    "h": 330,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35334,
    "c": 0.10762,
    "h": 353.2
  },
  "luminance": 0.03902
}

Semantic roles & 50–950 ramp

primary

#631D40

secondary

#44986E

accent

#DE944A

background

#F9F5F7

surface

#F2E9ED

border

#CCC5C8

text

#0D0508

muted

#7E797B

Preview Lab

Preview with #631D40

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

Preview Lab → · Contrast checker → · Palette generator →