#370D0E#370D0E

#370D0E is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.3% C 0.067 H 22.6°. Best body text is #FFFFFF at 17.12:1 contrast (WCAG AA passes).

Color values

HEX	#370D0E
RGB	rgb(55, 13, 14)
HSL	hsl(359, 62%, 13%)
HSV	hsv(359, 76%, 22%)
CMYK	cmyk(0%, 76.4%, 74.5%, 78.4%)
CIE-LAB	lab(10.05, 20.98, 9.61)
CIE-LCH	lch(10.05, 23.08, 24.61°)
OKLab	oklab(23.26% 0.0619 0.0258)
OKLCH	oklch(23.26% 0.067 22.6)
XYZ	xyz(1.7989, 1.1320, 0.5392)
Luminance	0.0113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D0E #0D3736

analogous

#370D23 #370D0E #37210D

triadic

#370D0E #0E370D #0D0E37

tetradic

#370D0E #23370D #0D3736 #210D37

square

#370D0E #23370D #0D3736 #210D37

split-complementary

#370D0E #0D3721 #0D2337

monochromatic

#190606 #190606 #370D0E #68191B #9A2427

Accessibility & contrast

On white

17.12

#370D0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370D0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D0E

17.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D0E	#FFFFFF	#000000	##FFFFFF
##370D0E	1.00	17.12	1.23	17.12
#FFFFFF	17.12	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18160E

Deuteranopia (green-blind)

#231F0D

Tritanopia (blue-blind)

#3D050E

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370d0e;
/* rgb */ color: rgb(55, 13, 14);
/* oklch */ color: oklch(23.3% 0.067 22.6);

Tailwind

colors: {
  custom: {
    50: '#714e4d',
    500: '#370d0e',
    950: '#000000',
  },
}

SCSS

$custom: #370d0e;
$custom-light: #714e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#370d0e",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 14
  },
  "hsl": {
    "h": 358.571,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23263,
    "c": 0.06704,
    "h": 22.6
  },
  "luminance": 0.01132
}

Semantic roles & 50–950 ramp

primary

#370D0E

secondary

#2D7271

accent

#E5E143

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #370D0E

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

Preview Lab → · Contrast checker → · Palette generator →