#31091B#31091B

#31091B is a very dark, moderate pink. Relative luminance 0.009; OKLCH L 21.9% C 0.068 H 356.6°. Best body text is #FFFFFF at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#31091B
RGB	rgb(49, 9, 27)
HSL	hsl(333, 69%, 11%)
HSV	hsv(333, 82%, 19%)
CMYK	cmyk(0%, 81.6%, 44.9%, 80.8%)
CIE-LAB	lab(8.37, 22.07, -1.65)
CIE-LCH	lch(8.37, 22.13, 355.73°)
OKLab	oklab(21.9% 0.0676 -0.004)
OKLCH	oklch(21.9% 0.068 356.6)
XYZ	xyz(1.5622, 0.9277, 1.1335)
Luminance	0.0093 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31091B #09311F

analogous

#31092F #31091B #310B09

triadic

#31091B #1B3109 #091B31

tetradic

#31091B #2F3109 #09311F #0B0931

square

#31091B #2F3109 #09311F #0B0931

split-complementary

#31091B #09310B #092F31

monochromatic

#1A050E #1A050E #31091B #651237 #981C54

Accessibility & contrast

On white

17.72

#31091B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#31091B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31091B

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31091B	#FFFFFF	#000000	##FFFFFF
##31091B	1.00	17.72	1.19	17.72
#FFFFFF	17.72	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10141B

Deuteranopia (green-blind)

#1B1B1A

Tritanopia (blue-blind)

#360610

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #31091b;
/* rgb */ color: rgb(49, 9, 27);
/* oklch */ color: oklch(21.9% 0.068 356.6);

Tailwind

colors: {
  custom: {
    50: '#6c4b57',
    500: '#31091b',
    950: '#000000',
  },
}

SCSS

$custom: #31091b;
$custom-light: #6c4b57;
$custom-dark: #000000;

JSON

{
  "hex": "#31091b",
  "rgb": {
    "r": 49,
    "g": 9,
    "b": 27
  },
  "hsl": {
    "h": 333,
    "s": 68.966,
    "l": 11.373
  },
  "oklch": {
    "l": 0.219,
    "c": 0.0677,
    "h": 356.6
  },
  "luminance": 0.00927
}

Semantic roles & 50–950 ramp

primary

#31091B

secondary

#276F4F

accent

#EC9D3C

background

#F6F4F5

surface

#EBE7E9

border

#C6C3C5

text

#070103

muted

#7A7778

Preview Lab

Preview with #31091B

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

Preview Lab → · Contrast checker → · Palette generator →