#370E13#370E13

#370E13 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.5% C 0.065 H 16.5°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#370E13
RGB	rgb(55, 14, 19)
HSL	hsl(353, 59%, 14%)
HSV	hsv(353, 75%, 22%)
CMYK	cmyk(0%, 74.5%, 65.5%, 78.4%)
CIE-LAB	lab(10.36, 20.88, 7.21)
CIE-LCH	lch(10.36, 22.09, 19.04°)
OKLab	oklab(23.54% 0.0626 0.0186)
OKLCH	oklch(23.54% 0.065 16.5)
XYZ	xyz(1.8503, 1.1736, 0.7451)
Luminance	0.0117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370E13 #0E3732

analogous

#370E27 #370E13 #371D0E

triadic

#370E13 #13370E #0E1337

tetradic

#370E13 #27370E #0E3732 #1D0E37

square

#370E13 #27370E #0E3732 #1D0E37

split-complementary

#370E13 #0E371D #0E2737

monochromatic

#180608 #180608 #370E13 #681A24 #992735

Accessibility & contrast

On white

17.01

#370E13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370E13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E13

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370E13	#FFFFFF	#000000	##FFFFFF
##370E13	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181713

Deuteranopia (green-blind)

#221F12

Tritanopia (blue-blind)

#3D0710

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370e13;
/* rgb */ color: rgb(55, 14, 19);
/* oklch */ color: oklch(23.5% 0.065 16.5);

Tailwind

colors: {
  custom: {
    50: '#714f50',
    500: '#370e13',
    950: '#000000',
  },
}

SCSS

$custom: #370e13;
$custom-light: #714f50;
$custom-dark: #000000;

JSON

{
  "hex": "#370e13",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 19
  },
  "hsl": {
    "h": 352.683,
    "s": 59.42,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23536,
    "c": 0.06533,
    "h": 16.5
  },
  "luminance": 0.01173
}

Semantic roles & 50–950 ramp

primary

#370E13

secondary

#2F726A

accent

#E3CF45

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #370E13

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

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