#310B1F#310B1F

#310B1F is a very dark, moderate pink. Relative luminance 0.010; OKLCH L 22.4% C 0.067 H 351.3°. Best body text is #FFFFFF at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#310B1F
RGB	rgb(49, 11, 31)
HSL	hsl(328, 63%, 12%)
HSV	hsv(328, 78%, 19%)
CMYK	cmyk(0%, 77.6%, 36.7%, 80.8%)
CIE-LAB	lab(8.92, 21.63, -3.91)
CIE-LCH	lch(8.92, 21.97, 349.76°)
OKLab	oklab(22.36% 0.0658 -0.0101)
OKLCH	oklch(22.36% 0.067 351.3)
XYZ	xyz(1.6337, 0.9914, 1.4014)
Luminance	0.0099 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B1F #0B311D

analogous

#300B31 #310B1F #310B0C

triadic

#310B1F #1F310B #0B1F31

tetradic

#310B1F #31300B #0B311D #0B0C31

square

#310B1F #31300B #0B311D #0B0C31

split-complementary

#310B1F #0C310B #0B3130

monochromatic

#190610 #190610 #310B1F #63163F #95215E

Accessibility & contrast

On white

17.53

#310B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#310B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B1F

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B1F	#FFFFFF	#000000	##FFFFFF
##310B1F	1.00	17.53	1.20	17.53
#FFFFFF	17.53	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111520

Deuteranopia (green-blind)

#1B1C1E

Tritanopia (blue-blind)

#350913

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310b1f;
/* rgb */ color: rgb(49, 11, 31);
/* oklch */ color: oklch(22.4% 0.067 351.3);

Tailwind

colors: {
  custom: {
    50: '#6b4d5a',
    500: '#310b1f',
    950: '#000000',
  },
}

SCSS

$custom: #310b1f;
$custom-light: #6b4d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#310b1f",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 31
  },
  "hsl": {
    "h": 328.421,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22358,
    "c": 0.06661,
    "h": 351.3
  },
  "luminance": 0.00991
}

Semantic roles & 50–950 ramp

primary

#310B1F

secondary

#2A6E4A

accent

#E69041

background

#F6F4F5

surface

#EBE7E9

border

#C6C3C5

text

#070103

muted

#7A7778

Preview Lab

Preview with #310B1F

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

Preview Lab → · Contrast checker → · Palette generator →