#631737#631737

#631737 is a dark, moderate pink. Relative luminance 0.035; OKLCH L 34.3% C 0.112 H 359.3°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#631737
RGB	rgb(99, 23, 55)
HSL	hsl(335, 62%, 24%)
HSV	hsv(335, 77%, 39%)
CMYK	cmyk(0%, 76.8%, 44.4%, 61.2%)
CIE-LAB	lab(22.10, 36.44, -0.66)
CIE-LCH	lch(22.10, 36.45, 358.96°)
OKLab	oklab(34.31% 0.1118 -0.0013)
OKLCH	oklch(34.31% 0.112 359.3)
XYZ	xyz(6.1420, 3.5420, 3.9739)
Luminance	0.0354 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631737 #176343

analogous

#63175D #631737 #631D17

triadic

#631737 #376317 #173763

tetradic

#631737 #5D6317 #176343 #1D1763

square

#631737 #5D6317 #176343 #1D1763

split-complementary

#631737 #17631D #175D63

monochromatic

#19060E #310B1B #631737 #952353 #C62E6E

Accessibility & contrast

On white

12.29

#631737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#631737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631737

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631737	#FFFFFF	#000000	##FFFFFF
##631737	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272C38

Deuteranopia (green-blind)

#3C3A35

Tritanopia (blue-blind)

#6C0C25

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #631737;
/* rgb */ color: rgb(99, 23, 55);
/* oklch */ color: oklch(34.3% 0.112 359.3);

Tailwind

colors: {
  custom: {
    50: '#935b6d',
    500: '#631737',
    950: '#000000',
  },
}

SCSS

$custom: #631737;
$custom-light: #935b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#631737",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 55
  },
  "hsl": {
    "h": 334.737,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34305,
    "c": 0.11179,
    "h": 359.3
  },
  "luminance": 0.03541
}

Semantic roles & 50–950 ramp

primary

#631737

secondary

#3C9A72

accent

#E5A142

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0407

muted

#7E797A

Preview Lab

Preview with #631737

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

Preview Lab → · Contrast checker → · Palette generator →