#370D16#370D16

#370D16 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.5% C 0.067 H 11.1°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).

Color values

HEX	#370D16
RGB	rgb(55, 13, 22)
HSL	hsl(347, 62%, 13%)
HSV	hsv(347, 76%, 22%)
CMYK	cmyk(0%, 76.4%, 60%, 78.4%)
CIE-LAB	lab(10.25, 21.72, 5.02)
CIE-LCH	lch(10.25, 22.29, 13.00°)
OKLab	oklab(23.48% 0.0658 0.0129)
OKLCH	oklch(23.48% 0.067 11.1)
XYZ	xyz(1.8644, 1.1582, 0.8843)
Luminance	0.0116 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D16 #0D372E

analogous

#370D2B #370D16 #37190D

triadic

#370D16 #16370D #0D1637

tetradic

#370D16 #2B370D #0D372E #190D37

square

#370D16 #2B370D #0D372E #190D37

split-complementary

#370D16 #0D3719 #0D2B37

monochromatic

#19060A #19060A #370D16 #68192A #9A243E

Accessibility & contrast

On white

17.05

#370D16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370D16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D16

17.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D16	#FFFFFF	#000000	##FFFFFF
##370D16	1.00	17.05	1.23	17.05
#FFFFFF	17.05	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171716

Deuteranopia (green-blind)

#221F15

Tritanopia (blue-blind)

#3D0611

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370d16;
/* rgb */ color: rgb(55, 13, 22);
/* oklch */ color: oklch(23.5% 0.067 11.1);

Tailwind

colors: {
  custom: {
    50: '#714e52',
    500: '#370d16',
    950: '#000000',
  },
}

SCSS

$custom: #370d16;
$custom-light: #714e52;
$custom-dark: #000000;

JSON

{
  "hex": "#370d16",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 22
  },
  "hsl": {
    "h": 347.143,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23477,
    "c": 0.06704,
    "h": 11.1
  },
  "luminance": 0.01158
}

Semantic roles & 50–950 ramp

primary

#370D16

secondary

#2D7264

accent

#E5C243

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #370D16

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

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