#370809#370809

#370809 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.074 H 24.3°. Best body text is #FFFFFF at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#370809
RGB	rgb(55, 8, 9)
HSL	hsl(359, 75%, 12%)
HSV	hsv(359, 85%, 22%)
CMYK	cmyk(0%, 85.5%, 83.6%, 78.4%)
CIE-LAB	lab(9.04, 23.13, 10.40)
CIE-LCH	lch(9.04, 25.36, 24.22°)
OKLab	oklab(22.48% 0.0674 0.0305)
OKLCH	oklch(22.48% 0.074 24.3)
XYZ	xyz(1.7119, 1.0059, 0.3624)
Luminance	0.0101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370809 #083736

analogous

#370821 #370809 #371E08

triadic

#370809 #093708 #080937

tetradic

#370809 #213708 #083736 #1E0837

square

#370809 #213708 #083736 #1E0837

split-complementary

#370809 #08371E #082137

monochromatic

#1B0404 #1B0404 #370809 #6C1012 #A2181A

Accessibility & contrast

On white

17.48

#370809 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#370809 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370809

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370809	#FFFFFF	#000000	##FFFFFF
##370809	1.00	17.48	1.20	17.48
#FFFFFF	17.48	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161309

Deuteranopia (green-blind)

#211D08

Tritanopia (blue-blind)

#3D0009

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #370809;
/* rgb */ color: rgb(55, 8, 9);
/* oklch */ color: oklch(22.5% 0.074 24.3);

Tailwind

colors: {
  custom: {
    50: '#724c4a',
    500: '#370809',
    950: '#000000',
  },
}

SCSS

$custom: #370809;
$custom-light: #724c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#370809",
  "rgb": {
    "r": 55,
    "g": 8,
    "b": 9
  },
  "hsl": {
    "h": 358.723,
    "s": 74.603,
    "l": 12.353
  },
  "oklch": {
    "l": 0.2248,
    "c": 0.07397,
    "h": 24.3
  },
  "luminance": 0.01006
}

Semantic roles & 50–950 ramp

primary

#370809

secondary

#257674

accent

#F1ED37

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370809

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

Preview Lab → · Contrast checker → · Palette generator →