#370E0D#370E0D

#370E0D is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.4% C 0.066 H 25.0°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#370E0D
RGB	rgb(55, 14, 13)
HSL	hsl(1, 62%, 13%)
HSV	hsv(1, 76%, 22%)
CMYK	cmyk(0%, 74.5%, 76.4%, 78.4%)
CIE-LAB	lab(10.23, 20.37, 10.35)
CIE-LCH	lch(10.23, 22.85, 26.95°)
OKLab	oklab(23.39% 0.0597 0.0278)
OKLCH	oklch(23.39% 0.066 25)
XYZ	xyz(1.8054, 1.1556, 0.5087)
Luminance	0.0115 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370E0D #0D3637

analogous

#370D21 #370E0D #37230D

triadic

#370E0D #0D370E #0E0D37

tetradic

#370E0D #21370D #0D3637 #230D37

square

#370E0D #21370D #0D3637 #230D37

split-complementary

#370E0D #0D3723 #0D2137

monochromatic

#190606 #190606 #370E0D #681B19 #9A2724

Accessibility & contrast

On white

17.06

#370E0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370E0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E0D

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370E0D	#FFFFFF	#000000	##FFFFFF
##370E0D	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19160D

Deuteranopia (green-blind)

#231F0C

Tritanopia (blue-blind)

#3D060E

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370e0d;
/* rgb */ color: rgb(55, 14, 13);
/* oklch */ color: oklch(23.4% 0.066 25.0);

Tailwind

colors: {
  custom: {
    50: '#714f4c',
    500: '#370e0d',
    950: '#000000',
  },
}

SCSS

$custom: #370e0d;
$custom-light: #714f4c;
$custom-dark: #000000;

JSON

{
  "hex": "#370e0d",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 13
  },
  "hsl": {
    "h": 1.429,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23391,
    "c": 0.06586,
    "h": 25
  },
  "luminance": 0.01155
}

Semantic roles & 50–950 ramp

primary

#370E0D

secondary

#2D7172

accent

#E1E543

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #370E0D

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

Preview Lab → · Contrast checker → · Palette generator →