#631D33#631D33

#631D33 is a dark, moderate pink. Relative luminance 0.038; OKLCH L 34.9% C 0.102 H 4.9°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#631D33
RGB	rgb(99, 29, 51)
HSL	hsl(341, 55%, 25%)
HSV	hsv(341, 71%, 39%)
CMYK	cmyk(0%, 70.7%, 48.5%, 61.2%)
CIE-LAB	lab(22.90, 33.42, 3.27)
CIE-LCH	lch(22.90, 33.58, 5.60°)
OKLab	oklab(34.86% 0.102 0.0088)
OKLCH	oklch(34.86% 0.102 4.9)
XYZ	xyz(6.1830, 3.7712, 3.5336)
Luminance	0.0377 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D33 #1D634D

analogous

#631D56 #631D33 #632A1D

triadic

#631D33 #33631D #1D3363

tetradic

#631D33 #56631D #1D634D #2A1D63

square

#631D33 #56631D #1D634D #2A1D63

split-complementary

#631D33 #1D632A #1D5663

monochromatic

#18070C #340F1B #631D33 #922B4B #C23964

Accessibility & contrast

On white

11.97

#631D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#631D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D33

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D33	#FFFFFF	#000000	##FFFFFF
##631D33	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2E34

Deuteranopia (green-blind)

#3E3C31

Tritanopia (blue-blind)

#6C1326

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #631d33;
/* rgb */ color: rgb(99, 29, 51);
/* oklch */ color: oklch(34.9% 0.102 4.9);

Tailwind

colors: {
  custom: {
    50: '#935e6a',
    500: '#631d33',
    950: '#000000',
  },
}

SCSS

$custom: #631d33;
$custom-light: #935e6a;
$custom-dark: #000000;

JSON

{
  "hex": "#631d33",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 51
  },
  "hsl": {
    "h": 341.143,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34858,
    "c": 0.10237,
    "h": 4.9
  },
  "luminance": 0.0377
}

Semantic roles & 50–950 ramp

primary

#631D33

secondary

#44987E

accent

#DEAF4A

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0506

muted

#7E797A

Preview Lab

Preview with #631D33

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

Preview Lab → · Contrast checker → · Palette generator →