#370813#370813

#370813 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.7% C 0.074 H 11.8°. Best body text is #FFFFFF at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#370813
RGB	rgb(55, 8, 19)
HSL	hsl(346, 75%, 12%)
HSV	hsv(346, 85%, 22%)
CMYK	cmyk(0%, 85.5%, 65.5%, 78.4%)
CIE-LAB	lab(9.27, 23.88, 5.65)
CIE-LCH	lch(9.27, 24.54, 13.31°)
OKLab	oklab(22.72% 0.0722 0.015)
OKLCH	oklch(22.72% 0.074 11.8)
XYZ	xyz(1.7801, 1.0332, 0.7217)
Luminance	0.0103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370813 #08372C

analogous

#37082B #370813 #371408

triadic

#370813 #133708 #081337

tetradic

#370813 #2B3708 #08372C #140837

square

#370813 #2B3708 #08372C #140837

split-complementary

#370813 #083714 #082B37

monochromatic

#1B0409 #1B0409 #370813 #6C1025 #A21838

Accessibility & contrast

On white

17.40

#370813 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#370813 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370813

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370813	#FFFFFF	#000000	##FFFFFF
##370813	1.00	17.40	1.21	17.40
#FFFFFF	17.40	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141413

Deuteranopia (green-blind)

#201E12

Tritanopia (blue-blind)

#3D010C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #370813;
/* rgb */ color: rgb(55, 8, 19);
/* oklch */ color: oklch(22.7% 0.074 11.8);

Tailwind

colors: {
  custom: {
    50: '#724c50',
    500: '#370813',
    950: '#000000',
  },
}

SCSS

$custom: #370813;
$custom-light: #724c50;
$custom-dark: #000000;

JSON

{
  "hex": "#370813",
  "rgb": {
    "r": 55,
    "g": 8,
    "b": 19
  },
  "hsl": {
    "h": 345.957,
    "s": 74.603,
    "l": 12.353
  },
  "oklch": {
    "l": 0.2272,
    "c": 0.07376,
    "h": 11.8
  },
  "luminance": 0.01033
}

Semantic roles & 50–950 ramp

primary

#370813

secondary

#257663

accent

#F1C637

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080102

muted

#7B7778

Preview Lab

Preview with #370813

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

Preview Lab → · Contrast checker → · Palette generator →