#370B08#370B08

#370B08 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 22.9% C 0.071 H 28.1°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#370B08
RGB	rgb(55, 11, 8)
HSL	hsl(4, 75%, 12%)
HSV	hsv(4, 85%, 22%)
CMYK	cmyk(0%, 80%, 85.5%, 78.4%)
CIE-LAB	lab(9.56, 21.60, 11.55)
CIE-LCH	lch(9.56, 24.49, 28.13°)
OKLab	oklab(22.86% 0.0623 0.0332)
OKLCH	oklch(22.86% 0.071 28.1)
XYZ	xyz(1.7392, 1.0694, 0.3445)
Luminance	0.0107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B08 #083437

analogous

#37081C #370B08 #372308

triadic

#370B08 #08370B #0B0837

tetradic

#370B08 #1C3708 #083437 #230837

square

#370B08 #1C3708 #083437 #230837

split-complementary

#370B08 #083723 #081C37

monochromatic

#1B0504 #1B0504 #370B08 #6C1610 #A22018

Accessibility & contrast

On white

17.30

#370B08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#370B08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B08

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B08	#FFFFFF	#000000	##FFFFFF
##370B08	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171507

Deuteranopia (green-blind)

#221E07

Tritanopia (blue-blind)

#3D020B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370b08;
/* rgb */ color: rgb(55, 11, 8);
/* oklch */ color: oklch(22.9% 0.071 28.1);

Tailwind

colors: {
  custom: {
    50: '#724d4a',
    500: '#370b08',
    950: '#000000',
  },
}

SCSS

$custom: #370b08;
$custom-light: #724d4a;
$custom-dark: #000000;

JSON

{
  "hex": "#370b08",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 8
  },
  "hsl": {
    "h": 3.83,
    "s": 74.603,
    "l": 12.353
  },
  "oklch": {
    "l": 0.2286,
    "c": 0.07059,
    "h": 28.1
  },
  "luminance": 0.01069
}

Semantic roles & 50–950 ramp

primary

#370B08

secondary

#257176

accent

#E5F137

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370B08

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

Preview Lab → · Contrast checker → · Palette generator →