#631B44#631B44

#631B44 is a dark, moderate pink. Relative luminance 0.039; OKLCH L 35.3% C 0.113 H 349.3°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#631B44
RGB	rgb(99, 27, 68)
HSL	hsl(326, 57%, 25%)
HSV	hsv(326, 73%, 39%)
CMYK	cmyk(0%, 72.7%, 31.3%, 61.2%)
CIE-LAB	lab(23.18, 36.42, -7.97)
CIE-LCH	lch(23.18, 37.28, 347.65°)
OKLab	oklab(35.27% 0.1109 -0.0208)
OKLCH	oklch(35.27% 0.113 349.3)
XYZ	xyz(6.5812, 3.8546, 5.8651)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631B44 #1B633A

analogous

#5E1B63 #631B44 #631B20

triadic

#631B44 #44631B #1B4463

tetradic

#631B44 #635E1B #1B633A #1B2063

square

#631B44 #635E1B #1B633A #1B2063

split-complementary

#631B44 #20631B #1B635E

monochromatic

#180711 #330E23 #631B44 #932865 #C33586

Accessibility & contrast

On white

11.86

#631B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#631B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B44

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631B44	#FFFFFF	#000000	##FFFFFF
##631B44	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252F45

Deuteranopia (green-blind)

#3A3C42

Tritanopia (blue-blind)

#6A182D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #631b44;
/* rgb */ color: rgb(99, 27, 68);
/* oklch */ color: oklch(35.3% 0.113 349.3);

Tailwind

colors: {
  custom: {
    50: '#925e78',
    500: '#631b44',
    950: '#000000',
  },
}

SCSS

$custom: #631b44;
$custom-light: #925e78;
$custom-dark: #000000;

JSON

{
  "hex": "#631b44",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 68
  },
  "hsl": {
    "h": 325.833,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35267,
    "c": 0.11279,
    "h": 349.3
  },
  "luminance": 0.03854
}

Semantic roles & 50–950 ramp

primary

#631B44

secondary

#419867

accent

#E08947

background

#F9F5F7

surface

#F2E9ED

border

#CCC5C8

text

#0D0508

muted

#7E797B

Preview Lab

Preview with #631B44

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

Preview Lab → · Contrast checker → · Palette generator →