#310B29#310B29

#310B29 is a very dark, moderate pink. Relative luminance 0.011; OKLCH L 22.9% C 0.074 H 337.1°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#310B29
RGB	rgb(49, 11, 41)
HSL	hsl(313, 63%, 12%)
HSV	hsv(313, 78%, 19%)
CMYK	cmyk(0%, 77.6%, 16.3%, 80.8%)
CIE-LAB	lab(9.42, 23.36, -10.70)
CIE-LCH	lch(9.42, 25.70, 335.40°)
OKLab	oklab(22.89% 0.0686 -0.029)
OKLCH	oklch(22.89% 0.074 337.1)
XYZ	xyz(1.7866, 1.0526, 2.2065)
Luminance	0.0105 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B29 #0B3113

analogous

#260B31 #310B29 #310B16

triadic

#310B29 #29310B #0B2931

tetradic

#310B29 #31260B #0B3113 #0B1631

square

#310B29 #31260B #0B3113 #0B1631

split-complementary

#310B29 #16310B #0B3126

monochromatic

#190615 #190615 #310B29 #631653 #95217D

Accessibility & contrast

On white

17.35

#310B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B29

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B29	#FFFFFF	#000000	##FFFFFF
##310B29	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)

#0C172A

Deuteranopia (green-blind)

#181C28

Tritanopia (blue-blind)

#340D18

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310b29;
/* rgb */ color: rgb(49, 11, 41);
/* oklch */ color: oklch(22.9% 0.074 337.1);

Tailwind

colors: {
  custom: {
    50: '#6b4d62',
    500: '#310b29',
    950: '#000000',
  },
}

SCSS

$custom: #310b29;
$custom-light: #6b4d62;
$custom-dark: #000000;

JSON

{
  "hex": "#310b29",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 41
  },
  "hsl": {
    "h": 312.632,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22891,
    "c": 0.07449,
    "h": 337.1
  },
  "luminance": 0.01052
}

Semantic roles & 50–950 ramp

primary

#310B29

secondary

#2A6E38

accent

#E66441

background

#F6F4F5

surface

#EBE7EA

border

#C6C3C6

text

#070105

muted

#7A7779

Preview Lab

Preview with #310B29

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

Preview Lab → · Contrast checker → · Palette generator →