#370709#370709

#370709 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.3% C 0.075 H 23.5°. Best body text is #FFFFFF at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#370709
RGB	rgb(55, 7, 9)
HSL	hsl(358, 77%, 12%)
HSV	hsv(358, 87%, 22%)
CMYK	cmyk(0%, 87.3%, 83.6%, 78.4%)
CIE-LAB	lab(8.86, 23.63, 10.14)
CIE-LCH	lch(8.86, 25.72, 23.23°)
OKLab	oklab(22.35% 0.069 0.03)
OKLCH	oklch(22.35% 0.075 23.5)
XYZ	xyz(1.7010, 0.9842, 0.3588)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370709 #073735

analogous

#370721 #370709 #371D07

triadic

#370709 #093707 #070937

tetradic

#370709 #213707 #073735 #1D0737

square

#370709 #213707 #073735 #1D0737

split-complementary

#370709 #07371D #072137

monochromatic

#1B0304 #1B0304 #370709 #6D0E12 #A4151B

Accessibility & contrast

On white

17.55

#370709 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#370709 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370709

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370709	#FFFFFF	#000000	##FFFFFF
##370709	1.00	17.55	1.20	17.55
#FFFFFF	17.55	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151309

Deuteranopia (green-blind)

#211D08

Tritanopia (blue-blind)

#3D0008

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #370709;
/* rgb */ color: rgb(55, 7, 9);
/* oklch */ color: oklch(22.3% 0.075 23.5);

Tailwind

colors: {
  custom: {
    50: '#724b4a',
    500: '#370709',
    950: '#000000',
  },
}

SCSS

$custom: #370709;
$custom-light: #724b4a;
$custom-dark: #000000;

JSON

{
  "hex": "#370709",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 9
  },
  "hsl": {
    "h": 357.5,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22345,
    "c": 0.07524,
    "h": 23.5
  },
  "luminance": 0.00984
}

Semantic roles & 50–950 ramp

primary

#370709

secondary

#237773

accent

#F4EC34

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370709

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

Preview Lab → · Contrast checker → · Palette generator →