#370C10#370C10

#370C10 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.068 H 19.0°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#370C10
RGB	rgb(55, 12, 16)
HSL	hsl(354, 64%, 13%)
HSV	hsv(354, 78%, 22%)
CMYK	cmyk(0%, 78.2%, 70.9%, 78.4%)
CIE-LAB	lab(9.90, 21.66, 8.34)
CIE-LCH	lch(9.90, 23.21, 21.05°)
OKLab	oklab(23.17% 0.0645 0.0222)
OKLCH	oklch(23.17% 0.068 19)
XYZ	xyz(1.8007, 1.1128, 0.6101)
Luminance	0.0111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370C10 #0C3733

analogous

#370C25 #370C10 #371D0C

triadic

#370C10 #10370C #0C1037

tetradic

#370C10 #25370C #0C3733 #1D0C37

square

#370C10 #25370C #0C3733 #1D0C37

split-complementary

#370C10 #0C371D #0C2537

monochromatic

#190507 #190507 #370C10 #69171F #9B222D

Accessibility & contrast

On white

17.18

#370C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#370C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C10

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370C10	#FFFFFF	#000000	##FFFFFF
##370C10	1.00	17.18	1.22	17.18
#FFFFFF	17.18	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171610

Deuteranopia (green-blind)

#221F0F

Tritanopia (blue-blind)

#3D040E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #370c10;
/* rgb */ color: rgb(55, 12, 16);
/* oklch */ color: oklch(23.2% 0.068 19.0);

Tailwind

colors: {
  custom: {
    50: '#714e4e',
    500: '#370c10',
    950: '#000000',
  },
}

SCSS

$custom: #370c10;
$custom-light: #714e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#370c10",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 16
  },
  "hsl": {
    "h": 354.419,
    "s": 64.179,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23166,
    "c": 0.06821,
    "h": 19
  },
  "luminance": 0.01113
}

Semantic roles & 50–950 ramp

primary

#370C10

secondary

#2C736C

accent

#E7D841

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370C10

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

Preview Lab → · Contrast checker → · Palette generator →