#370508#370508

#370508 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 22.1% C 0.078 H 23.0°. Best body text is #FFFFFF at 17.68:1 contrast (WCAG AA passes).

Color values

HEX	#370508
RGB	rgb(55, 5, 8)
HSL	hsl(356, 83%, 12%)
HSV	hsv(356, 91%, 22%)
CMYK	cmyk(0%, 90.9%, 85.5%, 78.4%)
CIE-LAB	lab(8.47, 24.61, 9.99)
CIE-LCH	lch(8.47, 26.56, 22.08°)
OKLab	oklab(22.05% 0.0718 0.0305)
OKLCH	oklch(22.05% 0.078 23)
XYZ	xyz(1.6738, 0.9386, 0.3227)
Luminance	0.0094 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370508 #053734

analogous

#370521 #370508 #371B05

triadic

#370508 #083705 #050837

tetradic

#370508 #213705 #053734 #1B0537

square

#370508 #213705 #053734 #1B0537

split-complementary

#370508 #05371B #052137

monochromatic

#1C0304 #1C0304 #370508 #6F0A10 #A70F18

Accessibility & contrast

On white

17.68

#370508 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#370508 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370508

17.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370508	#FFFFFF	#000000	##FFFFFF
##370508	1.00	17.68	1.19	17.68
#FFFFFF	17.68	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141108

Deuteranopia (green-blind)

#201C06

Tritanopia (blue-blind)

#3E0006

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #370508;
/* rgb */ color: rgb(55, 5, 8);
/* oklch */ color: oklch(22.1% 0.078 23.0);

Tailwind

colors: {
  custom: {
    50: '#724a4a',
    500: '#370508',
    950: '#000000',
  },
}

SCSS

$custom: #370508;
$custom-light: #724a4a;
$custom-dark: #000000;

JSON

{
  "hex": "#370508",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 8
  },
  "hsl": {
    "h": 356.4,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.2205,
    "c": 0.07803,
    "h": 23
  },
  "luminance": 0.00938
}

Semantic roles & 50–950 ramp

primary

#370508

secondary

#207873

accent

#FAED2E

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #370508

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

Preview Lab → · Contrast checker → · Palette generator →