#631B3E#631B3E

#631B3E is a dark, moderate pink. Relative luminance 0.038; OKLCH L 35.0% C 0.110 H 354.4°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#631B3E
RGB	rgb(99, 27, 62)
HSL	hsl(331, 57%, 25%)
HSV	hsv(331, 73%, 39%)
CMYK	cmyk(0%, 72.7%, 37.4%, 61.2%)
CIE-LAB	lab(22.95, 35.62, -4.23)
CIE-LCH	lch(22.95, 35.87, 353.23°)
OKLab	oklab(35.02% 0.109 -0.0107)
OKLCH	oklch(35.02% 0.11 354.4)
XYZ	xyz(6.4074, 3.7851, 4.9497)
Luminance	0.0378 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631B3E #1B6340

analogous

#631B62 #631B3E #631C1B

triadic

#631B3E #3E631B #1B3E63

tetradic

#631B3E #62631B #1B6340 #1C1B63

square

#631B3E #62631B #1B6340 #1C1B63

split-complementary

#631B3E #1B631C #1B6263

monochromatic

#18070F #330E20 #631B3E #93285C #C3357A

Accessibility & contrast

On white

11.95

#631B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#631B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B3E

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631B3E	#FFFFFF	#000000	##FFFFFF
##631B3E	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272E3F

Deuteranopia (green-blind)

#3B3C3C

Tritanopia (blue-blind)

#6B152A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #631b3e;
/* rgb */ color: rgb(99, 27, 62);
/* oklch */ color: oklch(35.0% 0.110 354.4);

Tailwind

colors: {
  custom: {
    50: '#935d73',
    500: '#631b3e',
    950: '#000000',
  },
}

SCSS

$custom: #631b3e;
$custom-light: #935d73;
$custom-dark: #000000;

JSON

{
  "hex": "#631b3e",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 62
  },
  "hsl": {
    "h": 330.833,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35015,
    "c": 0.1095,
    "h": 354.4
  },
  "luminance": 0.03784
}

Semantic roles & 50–950 ramp

primary

#631B3E

secondary

#41986E

accent

#E09647

background

#F9F5F6

surface

#F2E9EC

border

#CCC5C7

text

#0D0508

muted

#7E797B

Preview Lab

Preview with #631B3E

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

Preview Lab → · Contrast checker → · Palette generator →