#370E18#370E18

#370E18 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.7% C 0.066 H 8.8°. Best body text is #FFFFFF at 16.96:1 contrast (WCAG AA passes).

Color values

HEX	#370E18
RGB	rgb(55, 14, 24)
HSL	hsl(345, 59%, 14%)
HSV	hsv(345, 75%, 22%)
CMYK	cmyk(0%, 74.5%, 56.4%, 78.4%)
CIE-LAB	lab(10.50, 21.41, 3.89)
CIE-LCH	lch(10.50, 21.76, 10.30°)
OKLab	oklab(23.69% 0.0651 0.0101)
OKLCH	oklch(23.69% 0.066 8.8)
XYZ	xyz(1.8976, 1.1925, 0.9942)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370E18 #0E372D

analogous

#370E2C #370E18 #37180E

triadic

#370E18 #18370E #0E1837

tetradic

#370E18 #2C370E #0E372D #180E37

square

#370E18 #2C370E #0E372D #180E37

split-complementary

#370E18 #0E3718 #0E2C37

monochromatic

#18060B #18060B #370E18 #681A2D #992743

Accessibility & contrast

On white

16.96

#370E18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370E18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E18

16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370E18	#FFFFFF	#000000	##FFFFFF
##370E18	1.00	16.96	1.24	16.96
#FFFFFF	16.96	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171718

Deuteranopia (green-blind)

#222017

Tritanopia (blue-blind)

#3D0812

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370e18;
/* rgb */ color: rgb(55, 14, 24);
/* oklch */ color: oklch(23.7% 0.066 8.8);

Tailwind

colors: {
  custom: {
    50: '#714f54',
    500: '#370e18',
    950: '#000000',
  },
}

SCSS

$custom: #370e18;
$custom-light: #714f54;
$custom-dark: #000000;

JSON

{
  "hex": "#370e18",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 24
  },
  "hsl": {
    "h": 345.366,
    "s": 59.42,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23687,
    "c": 0.06583,
    "h": 8.8
  },
  "luminance": 0.01192
}

Semantic roles & 50–950 ramp

primary

#370E18

secondary

#2F7262

accent

#E3BC45

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #370E18

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

Preview Lab → · Contrast checker → · Palette generator →