#370C11#370C11

#370C11 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.068 H 17.6°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#370C11
RGB	rgb(55, 12, 17)
HSL	hsl(353, 64%, 13%)
HSV	hsv(353, 78%, 22%)
CMYK	cmyk(0%, 78.2%, 69.1%, 78.4%)
CIE-LAB	lab(9.92, 21.75, 7.80)
CIE-LCH	lch(9.92, 23.11, 19.74°)
OKLab	oklab(23.19% 0.065 0.0206)
OKLCH	oklch(23.19% 0.068 17.6)
XYZ	xyz(1.8084, 1.1159, 0.6504)
Luminance	0.0112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370C11 #0C3732

analogous

#370C26 #370C11 #371C0C

triadic

#370C11 #11370C #0C1137

tetradic

#370C11 #26370C #0C3732 #1C0C37

square

#370C11 #26370C #0C3732 #1C0C37

split-complementary

#370C11 #0C371C #0C2637

monochromatic

#190508 #190508 #370C11 #691721 #9B2230

Accessibility & contrast

On white

17.17

#370C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#370C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C11

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370C11	#FFFFFF	#000000	##FFFFFF
##370C11	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171611

Deuteranopia (green-blind)

#221F10

Tritanopia (blue-blind)

#3D040E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370c11;
/* rgb */ color: rgb(55, 12, 17);
/* oklch */ color: oklch(23.2% 0.068 17.6);

Tailwind

colors: {
  custom: {
    50: '#714e4f',
    500: '#370c11',
    950: '#000000',
  },
}

SCSS

$custom: #370c11;
$custom-light: #714e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#370c11",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 17
  },
  "hsl": {
    "h": 353.023,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23191,
    "c": 0.06817,
    "h": 17.6
  },
  "luminance": 0.01116
}

Semantic roles & 50–950 ramp

primary

#370C11

secondary

#2C736B

accent

#E7D441

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370C11

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

Preview Lab → · Contrast checker → · Palette generator →