#370F13#370F13

#370F13 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.7% C 0.064 H 17.5°. Best body text is #FFFFFF at 16.93:1 contrast (WCAG AA passes).

Color values

HEX	#370F13
RGB	rgb(55, 15, 19)
HSL	hsl(354, 57%, 14%)
HSV	hsv(354, 73%, 22%)
CMYK	cmyk(0%, 72.7%, 65.5%, 78.4%)
CIE-LAB	lab(10.57, 20.33, 7.49)
CIE-LCH	lch(10.57, 21.67, 20.23°)
OKLab	oklab(23.69% 0.0609 0.0192)
OKLCH	oklch(23.69% 0.064 17.5)
XYZ	xyz(1.8641, 1.2011, 0.7496)
Luminance	0.0120 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F13 #0F3733

analogous

#370F27 #370F13 #371F0F

triadic

#370F13 #13370F #0F1337

tetradic

#370F13 #27370F #0F3733 #1F0F37

square

#370F13 #27370F #0F3733 #1F0F37

split-complementary

#370F13 #0F371F #0F2737

monochromatic

#180708 #180708 #370F13 #671C24 #972934

Accessibility & contrast

On white

16.93

#370F13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370F13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F13

16.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F13	#FFFFFF	#000000	##FFFFFF
##370F13	1.00	16.93	1.24	16.93
#FFFFFF	16.93	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191713

Deuteranopia (green-blind)

#232012

Tritanopia (blue-blind)

#3D0811

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #370f13;
/* rgb */ color: rgb(55, 15, 19);
/* oklch */ color: oklch(23.7% 0.064 17.5);

Tailwind

colors: {
  custom: {
    50: '#714f50',
    500: '#370f13',
    950: '#000000',
  },
}

SCSS

$custom: #370f13;
$custom-light: #714f50;
$custom-dark: #000000;

JSON

{
  "hex": "#370f13",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 19
  },
  "hsl": {
    "h": 354,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.23689,
    "c": 0.06384,
    "h": 17.5
  },
  "luminance": 0.01201
}

Semantic roles & 50–950 ramp

primary

#370F13

secondary

#31716B

accent

#E0D147

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #370F13

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

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