#370E03#370E03

#370E03 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.069 H 37.4°. Best body text is #FFFFFF at 17.12:1 contrast (WCAG AA passes).

Color values

HEX	#370E03
RGB	rgb(55, 14, 3)
HSL	hsl(13, 90%, 11%)
HSV	hsv(13, 95%, 22%)
CMYK	cmyk(0%, 74.5%, 94.5%, 78.4%)
CIE-LAB	lab(10.05, 19.71, 14.29)
CIE-LCH	lch(10.05, 24.34, 35.95°)
OKLab	oklab(23.21% 0.0547 0.0419)
OKLCH	oklch(23.21% 0.069 37.4)
XYZ	xyz(1.7492, 1.1331, 0.2127)
Luminance	0.0113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370E03 #032C37

analogous

#370312 #370E03 #372803

triadic

#370E03 #03370E #0E0337

tetradic

#370E03 #123703 #032C37 #280337

square

#370E03 #123703 #032C37 #280337

split-complementary

#370E03 #033728 #031237

monochromatic

#1D0702 #1D0702 #370E03 #711D06 #AB2C09

Accessibility & contrast

On white

17.12

#370E03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370E03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E03

17.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370E03	#FFFFFF	#000000	##FFFFFF
##370E03	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)

#1A1602

Deuteranopia (green-blind)

#241F02

Tritanopia (blue-blind)

#3E040B

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370e03;
/* rgb */ color: rgb(55, 14, 3);
/* oklch */ color: oklch(23.2% 0.069 37.4);

Tailwind

colors: {
  custom: {
    50: '#724f48',
    500: '#370e03',
    950: '#000000',
  },
}

SCSS

$custom: #370e03;
$custom-light: #724f48;
$custom-dark: #000000;

JSON

{
  "hex": "#370e03",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 3
  },
  "hsl": {
    "h": 12.692,
    "s": 89.655,
    "l": 11.373
  },
  "oklch": {
    "l": 0.23207,
    "c": 0.06891,
    "h": 37.4
  },
  "luminance": 0.01133
}

Semantic roles & 50–950 ramp

primary

#370E03

secondary

#1C667A

accent

#D2FF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080200

muted

#7B7877

Preview Lab

Preview with #370E03

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

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