#310D2B#310D2B

#310D2B is a very dark, moderate pink. Relative luminance 0.011; OKLCH L 23.3% C 0.073 H 334.8°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#310D2B
RGB	rgb(49, 13, 43)
HSL	hsl(310, 58%, 12%)
HSV	hsv(310, 73%, 19%)
CMYK	cmyk(0%, 73.5%, 12.2%, 80.8%)
CIE-LAB	lab(9.92, 22.70, -11.41)
CIE-LCH	lch(9.92, 25.41, 333.30°)
OKLab	oklab(23.29% 0.0659 -0.0311)
OKLCH	oklch(23.29% 0.073 334.8)
XYZ	xyz(1.8466, 1.1154, 2.4031)
Luminance	0.0112 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D2B #0D3113

analogous

#250D31 #310D2B #310D19

triadic

#310D2B #2B310D #0D2B31

tetradic

#310D2B #31250D #0D3113 #0D1931

square

#310D2B #31250D #0D3113 #0D1931

split-complementary

#310D2B #19310D #0D3125

monochromatic

#180615 #180615 #310D2B #611A55 #922780

Accessibility & contrast

On white

17.17

#310D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#310D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D2B

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D2B	#FFFFFF	#000000	##FFFFFF
##310D2B	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D182C

Deuteranopia (green-blind)

#181D2A

Tritanopia (blue-blind)

#340F1A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #310d2b;
/* rgb */ color: rgb(49, 13, 43);
/* oklch */ color: oklch(23.3% 0.073 334.8);

Tailwind

colors: {
  custom: {
    50: '#6b4e64',
    500: '#310d2b',
    950: '#000000',
  },
}

SCSS

$custom: #310d2b;
$custom-light: #6b4e64;
$custom-dark: #000000;

JSON

{
  "hex": "#310d2b",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 43
  },
  "hsl": {
    "h": 310,
    "s": 58.065,
    "l": 12.157
  },
  "oklch": {
    "l": 0.23291,
    "c": 0.07284,
    "h": 334.8
  },
  "luminance": 0.01115
}

Semantic roles & 50–950 ramp

primary

#310D2B

secondary

#2E6C38

accent

#E16047

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#070205

muted

#7A787A

Preview Lab

Preview with #310D2B

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

Preview Lab → · Contrast checker → · Palette generator →