#370D11#370D11

#370D11 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.3% C 0.067 H 18.5°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#370D11
RGB	rgb(55, 13, 17)
HSL	hsl(354, 62%, 13%)
HSV	hsv(354, 76%, 22%)
CMYK	cmyk(0%, 76.4%, 69.1%, 78.4%)
CIE-LAB	lab(10.11, 21.23, 8.08)
CIE-LCH	lch(10.11, 22.71, 20.83°)
OKLab	oklab(23.34% 0.0633 0.0212)
OKLCH	oklch(23.34% 0.067 18.5)
XYZ	xyz(1.8208, 1.1408, 0.6545)
Luminance	0.0114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D11 #0D3733

analogous

#370D26 #370D11 #371E0D

triadic

#370D11 #11370D #0D1137

tetradic

#370D11 #26370D #0D3733 #1E0D37

square

#370D11 #26370D #0D3733 #1E0D37

split-complementary

#370D11 #0D371E #0D2637

monochromatic

#190608 #190608 #370D11 #681920 #9A2430

Accessibility & contrast

On white

17.10

#370D11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#370D11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D11

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D11	#FFFFFF	#000000	##FFFFFF
##370D11	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181611

Deuteranopia (green-blind)

#221F10

Tritanopia (blue-blind)

#3D050F

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370d11;
/* rgb */ color: rgb(55, 13, 17);
/* oklch */ color: oklch(23.3% 0.067 18.5);

Tailwind

colors: {
  custom: {
    50: '#714e4f',
    500: '#370d11',
    950: '#000000',
  },
}

SCSS

$custom: #370d11;
$custom-light: #714e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#370d11",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 17
  },
  "hsl": {
    "h": 354.286,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23335,
    "c": 0.06679,
    "h": 18.5
  },
  "luminance": 0.01141
}

Semantic roles & 50–950 ramp

primary

#370D11

secondary

#2D726C

accent

#E5D543

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #370D11

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

Preview Lab → · Contrast checker → · Palette generator →