#310D21#310D21

#310D21 is a very dark, moderate pink. Relative luminance 0.011; OKLCH L 22.7% C 0.064 H 349.0°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#310D21
RGB	rgb(49, 13, 33)
HSL	hsl(327, 58%, 12%)
HSV	hsv(327, 73%, 19%)
CMYK	cmyk(0%, 73.5%, 32.7%, 80.8%)
CIE-LAB	lab(9.41, 20.86, -4.69)
CIE-LCH	lch(9.41, 21.38, 347.32°)
OKLab	oklab(22.75% 0.0632 -0.0123)
OKLCH	oklch(22.75% 0.064 349)
XYZ	xyz(1.6851, 1.0508, 1.5526)
Luminance	0.0105 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D21 #0D311D

analogous

#2F0D31 #310D21 #310D0F

triadic

#310D21 #21310D #0D2131

tetradic

#310D21 #312F0D #0D311D #0D0F31

square

#310D21 #312F0D #0D311D #0D0F31

split-complementary

#310D21 #0F310D #0D312F

monochromatic

#180610 #180610 #310D21 #611A42 #922762

Accessibility & contrast

On white

17.35

#310D21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310D21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D21

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D21	#FFFFFF	#000000	##FFFFFF
##310D21	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111622

Deuteranopia (green-blind)

#1B1D20

Tritanopia (blue-blind)

#350C15

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310d21;
/* rgb */ color: rgb(49, 13, 33);
/* oklch */ color: oklch(22.7% 0.064 349.0);

Tailwind

colors: {
  custom: {
    50: '#6b4e5c',
    500: '#310d21',
    950: '#000000',
  },
}

SCSS

$custom: #310d21;
$custom-light: #6b4e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#310d21",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 33
  },
  "hsl": {
    "h": 326.667,
    "s": 58.065,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22748,
    "c": 0.06437,
    "h": 349
  },
  "luminance": 0.01051
}

Semantic roles & 50–950 ramp

primary

#310D21

secondary

#2E6C49

accent

#E18B47

background

#F6F4F5

surface

#EBE7E9

border

#C6C3C5

text

#070104

muted

#7A7779

Preview Lab

Preview with #310D21

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

Preview Lab → · Contrast checker → · Palette generator →