#631B2F#631B2F

#631B2F is a dark, moderate pink. Relative luminance 0.036; OKLCH L 34.5% C 0.104 H 7.7°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#631B2F
RGB	rgb(99, 27, 47)
HSL	hsl(343, 57%, 25%)
HSV	hsv(343, 73%, 39%)
CMYK	cmyk(0%, 72.7%, 52.5%, 61.2%)
CIE-LAB	lab(22.45, 33.91, 5.40)
CIE-LCH	lch(22.45, 34.33, 9.05°)
OKLab	oklab(34.49% 0.1032 0.014)
OKLCH	oklch(34.49% 0.104 7.7)
XYZ	xyz(6.0511, 3.6425, 3.0732)
Luminance	0.0364 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631B2F #1B634F

analogous

#631B53 #631B2F #632B1B

triadic

#631B2F #2F631B #1B2F63

tetradic

#631B2F #53631B #1B634F #2B1B63

square

#631B2F #53631B #1B634F #2B1B63

split-complementary

#631B2F #1B632B #1B5363

monochromatic

#18070B #330E18 #631B2F #932846 #C3355D

Accessibility & contrast

On white

12.15

#631B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#631B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B2F

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631B2F	#FFFFFF	#000000	##FFFFFF
##631B2F	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2D2F

Deuteranopia (green-blind)

#3E3B2D

Tritanopia (blue-blind)

#6C0F23

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #631b2f;
/* rgb */ color: rgb(99, 27, 47);
/* oklch */ color: oklch(34.5% 0.104 7.7);

Tailwind

colors: {
  custom: {
    50: '#945d67',
    500: '#631b2f',
    950: '#000000',
  },
}

SCSS

$custom: #631b2f;
$custom-light: #945d67;
$custom-dark: #000000;

JSON

{
  "hex": "#631b2f",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 47
  },
  "hsl": {
    "h": 343.333,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34487,
    "c": 0.10416,
    "h": 7.7
  },
  "luminance": 0.03642
}

Semantic roles & 50–950 ramp

primary

#631B2F

secondary

#419880

accent

#E0B647

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0406

muted

#7E797A

Preview Lab

Preview with #631B2F

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

Preview Lab → · Contrast checker → · Palette generator →