#631538#631538

#631538 is a dark, moderate pink. Relative luminance 0.035; OKLCH L 34.1% C 0.115 H 358.0°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#631538
RGB	rgb(99, 21, 56)
HSL	hsl(333, 65%, 24%)
HSV	hsv(333, 79%, 39%)
CMYK	cmyk(0%, 78.8%, 43.4%, 61.2%)
CIE-LAB	lab(21.85, 37.32, -1.71)
CIE-LCH	lch(21.85, 37.36, 357.38°)
OKLab	oklab(34.14% 0.1146 -0.004)
OKLCH	oklch(34.14% 0.115 358)
XYZ	xyz(6.1280, 3.4753, 4.0887)
Luminance	0.0348 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631538 #156340

analogous

#63155F #631538 #631915

triadic

#631538 #386315 #153863

tetradic

#631538 #5F6315 #156340 #191563

square

#631538 #5F6315 #156340 #191563

split-complementary

#631538 #156319 #155F63

monochromatic

#19050E #310A1B #631538 #952055 #C82A71

Accessibility & contrast

On white

12.39

#631538 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#631538 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631538

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631538	#FFFFFF	#000000	##FFFFFF
##631538	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252B39

Deuteranopia (green-blind)

#3B3A36

Tritanopia (blue-blind)

#6C0A24

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #631538;
/* rgb */ color: rgb(99, 21, 56);
/* oklch */ color: oklch(34.1% 0.115 358.0);

Tailwind

colors: {
  custom: {
    50: '#935a6e',
    500: '#631538',
    950: '#000000',
  },
}

SCSS

$custom: #631538;
$custom-light: #935a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#631538",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 56
  },
  "hsl": {
    "h": 333.077,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34139,
    "c": 0.11467,
    "h": 358
  },
  "luminance": 0.03475
}

Semantic roles & 50–950 ramp

primary

#631538

secondary

#3A9A6F

accent

#E89D40

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0407

muted

#7E797A

Preview Lab

Preview with #631538

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

Preview Lab → · Contrast checker → · Palette generator →