#370507#370507

#370507 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 22.0% C 0.078 H 24.2°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#370507
RGB	rgb(55, 5, 7)
HSL	hsl(358, 83%, 12%)
HSV	hsv(358, 91%, 22%)
CMYK	cmyk(0%, 90.9%, 87.3%, 78.4%)
CIE-LAB	lab(8.45, 24.56, 10.37)
CIE-LCH	lch(8.45, 26.65, 22.88°)
OKLab	oklab(22.03% 0.0713 0.032)
OKLCH	oklch(22.03% 0.078 24.2)
XYZ	xyz(1.6684, 0.9364, 0.2939)
Luminance	0.0094 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370507 #053735

analogous

#370520 #370507 #371C05

triadic

#370507 #073705 #050737

tetradic

#370507 #203705 #053735 #1C0537

square

#370507 #203705 #053735 #1C0537

split-complementary

#370507 #05371C #052037

monochromatic

#1C0304 #1C0304 #370507 #6F0A0E #A70F15

Accessibility & contrast

On white

17.69

#370507 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#370507 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370507

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370507	#FFFFFF	#000000	##FFFFFF
##370507	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141107

Deuteranopia (green-blind)

#211C06

Tritanopia (blue-blind)

#3E0006

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #370507;
/* rgb */ color: rgb(55, 5, 7);
/* oklch */ color: oklch(22.0% 0.078 24.2);

Tailwind

colors: {
  custom: {
    50: '#724a4a',
    500: '#370507',
    950: '#000000',
  },
}

SCSS

$custom: #370507;
$custom-light: #724a4a;
$custom-dark: #000000;

JSON

{
  "hex": "#370507",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 7
  },
  "hsl": {
    "h": 357.6,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22029,
    "c": 0.07816,
    "h": 24.2
  },
  "luminance": 0.00936
}

Semantic roles & 50–950 ramp

primary

#370507

secondary

#207875

accent

#FAF22E

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #370507

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

Preview Lab → · Contrast checker → · Palette generator →