#370B1B#370B1B

#370B1B is a very dark, moderate pink. Relative luminance 0.011; OKLCH L 23.4% C 0.071 H 2.2°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX	#370B1B
RGB	rgb(55, 11, 27)
HSL	hsl(338, 67%, 13%)
HSV	hsv(338, 80%, 22%)
CMYK	cmyk(0%, 80%, 50.9%, 78.4%)
CIE-LAB	lab(10.04, 23.31, 0.94)
CIE-LCH	lch(10.04, 23.32, 2.32°)
OKLab	oklab(23.38% 0.0713 0.0027)
OKLCH	oklch(23.38% 0.071 2.2)
XYZ	xyz(1.8932, 1.1309, 1.1553)
Luminance	0.0113 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B1B #0B3727

analogous

#370B31 #370B1B #37110B

triadic

#370B1B #1B370B #0B1B37

tetradic

#370B1B #31370B #0B3727 #110B37

square

#370B1B #31370B #0B3727 #110B37

split-complementary

#370B1B #0B3711 #0B3137

monochromatic

#1A050D #1A050D #370B1B #6A1534 #9D1F4D

Accessibility & contrast

On white

17.13

#370B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B1B

17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B1B	#FFFFFF	#000000	##FFFFFF
##370B1B	1.00	17.13	1.23	17.13
#FFFFFF	17.13	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14161B

Deuteranopia (green-blind)

#201F1A

Tritanopia (blue-blind)

#3C0612

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370b1b;
/* rgb */ color: rgb(55, 11, 27);
/* oklch */ color: oklch(23.4% 0.071 2.2);

Tailwind

colors: {
  custom: {
    50: '#714e57',
    500: '#370b1b',
    950: '#000000',
  },
}

SCSS

$custom: #370b1b;
$custom-light: #714e57;
$custom-dark: #000000;

JSON

{
  "hex": "#370b1b",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 27
  },
  "hsl": {
    "h": 338.182,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23375,
    "c": 0.07136,
    "h": 2.2
  },
  "luminance": 0.01131
}

Semantic roles & 50–950 ramp

primary

#370B1B

secondary

#2A7459

accent

#EAAB3E

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080103

muted

#7B7778

Preview Lab

Preview with #370B1B

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

Preview Lab → · Contrast checker → · Palette generator →