#370F19#370F19

#370F19 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.064 H 8.1°. Best body text is #FFFFFF at 16.87:1 contrast (WCAG AA passes).

Color values

HEX	#370F19
RGB	rgb(55, 15, 25)
HSL	hsl(345, 57%, 14%)
HSV	hsv(345, 73%, 22%)
CMYK	cmyk(0%, 72.7%, 54.5%, 78.4%)
CIE-LAB	lab(10.74, 20.98, 3.46)
CIE-LCH	lch(10.74, 21.27, 9.37°)
OKLab	oklab(23.87% 0.0638 0.009)
OKLCH	oklch(23.87% 0.064 8.1)
XYZ	xyz(1.9220, 1.2243, 1.0546)
Luminance	0.0122 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F19 #0F372D

analogous

#370F2D #370F19 #37190F

triadic

#370F19 #19370F #0F1937

tetradic

#370F19 #2D370F #0F372D #190F37

square

#370F19 #2D370F #0F372D #190F37

split-complementary

#370F19 #0F3719 #0F2D37

monochromatic

#18070B #18070B #370F19 #671C2F #972945

Accessibility & contrast

On white

16.87

#370F19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370F19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F19

16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F19	#FFFFFF	#000000	##FFFFFF
##370F19	1.00	16.87	1.24	16.87
#FFFFFF	16.87	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181819

Deuteranopia (green-blind)

#222018

Tritanopia (blue-blind)

#3C0A13

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #370f19;
/* rgb */ color: rgb(55, 15, 25);
/* oklch */ color: oklch(23.9% 0.064 8.1);

Tailwind

colors: {
  custom: {
    50: '#715055',
    500: '#370f19',
    950: '#000000',
  },
}

SCSS

$custom: #370f19;
$custom-light: #715055;
$custom-dark: #000000;

JSON

{
  "hex": "#370f19",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 25
  },
  "hsl": {
    "h": 345,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.23872,
    "c": 0.06444,
    "h": 8.1
  },
  "luminance": 0.01224
}

Semantic roles & 50–950 ramp

primary

#370F19

secondary

#317161

accent

#E0BA47

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080203

muted

#7B7878

Preview Lab

Preview with #370F19

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

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