#370A12#370A12

#370A12 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 22.9% C 0.071 H 14.6°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#370A12
RGB	rgb(55, 10, 18)
HSL	hsl(349, 69%, 13%)
HSV	hsv(349, 82%, 22%)
CMYK	cmyk(0%, 81.8%, 67.3%, 78.4%)
CIE-LAB	lab(9.59, 22.82, 6.73)
CIE-LCH	lch(9.59, 23.80, 16.44°)
OKLab	oklab(22.95% 0.0686 0.0178)
OKLCH	oklch(22.95% 0.071 14.6)
XYZ	xyz(1.7934, 1.0732, 0.6849)
Luminance	0.0107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370A12 #0A372F

analogous

#370A28 #370A12 #37180A

triadic

#370A12 #12370A #0A1237

tetradic

#370A12 #28370A #0A372F #180A37

square

#370A12 #28370A #0A372F #180A37

split-complementary

#370A12 #0A3718 #0A2837

monochromatic

#1A0508 #1A0508 #370A12 #6B1323 #9F1D34

Accessibility & contrast

On white

17.29

#370A12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#370A12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370A12

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370A12	#FFFFFF	#000000	##FFFFFF
##370A12	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161512

Deuteranopia (green-blind)

#211E11

Tritanopia (blue-blind)

#3D020D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370a12;
/* rgb */ color: rgb(55, 10, 18);
/* oklch */ color: oklch(22.9% 0.071 14.6);

Tailwind

colors: {
  custom: {
    50: '#714d4f',
    500: '#370a12',
    950: '#000000',
  },
}

SCSS

$custom: #370a12;
$custom-light: #714d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#370a12",
  "rgb": {
    "r": 55,
    "g": 10,
    "b": 18
  },
  "hsl": {
    "h": 349.333,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.2295,
    "c": 0.0709,
    "h": 14.6
  },
  "luminance": 0.01073
}

Semantic roles & 50–950 ramp

primary

#370A12

secondary

#287467

accent

#ECCD3C

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080102

muted

#7B7778

Preview Lab

Preview with #370A12

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

Preview Lab → · Contrast checker → · Palette generator →