#370907#370907

#370907 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.6% C 0.073 H 27.5°. Best body text is #FFFFFF at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#370907
RGB	rgb(55, 9, 7)
HSL	hsl(3, 77%, 12%)
HSV	hsv(3, 87%, 22%)
CMYK	cmyk(0%, 83.6%, 87.3%, 78.4%)
CIE-LAB	lab(9.18, 22.51, 11.42)
CIE-LCH	lch(9.18, 25.25, 26.90°)
OKLab	oklab(22.58% 0.0649 0.0338)
OKLCH	oklch(22.58% 0.073 27.5)
XYZ	xyz(1.7118, 1.0232, 0.3083)
Luminance	0.0102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370907 #073537

analogous

#37071D #370907 #372107

triadic

#370907 #073709 #090737

tetradic

#370907 #1D3707 #073537 #210737

square

#370907 #1D3707 #073537 #210737

split-complementary

#370907 #073721 #071D37

monochromatic

#1B0403 #1B0403 #370907 #6D120E #A41B15

Accessibility & contrast

On white

17.43

#370907 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#370907 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370907

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370907	#FFFFFF	#000000	##FFFFFF
##370907	1.00	17.43	1.20	17.43
#FFFFFF	17.43	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161306

Deuteranopia (green-blind)

#221E06

Tritanopia (blue-blind)

#3D0009

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #370907;
/* rgb */ color: rgb(55, 9, 7);
/* oklch */ color: oklch(22.6% 0.073 27.5);

Tailwind

colors: {
  custom: {
    50: '#724c4a',
    500: '#370907',
    950: '#000000',
  },
}

SCSS

$custom: #370907;
$custom-light: #724c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#370907",
  "rgb": {
    "r": 55,
    "g": 9,
    "b": 7
  },
  "hsl": {
    "h": 2.5,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22575,
    "c": 0.07312,
    "h": 27.5
  },
  "luminance": 0.01023
}

Semantic roles & 50–950 ramp

primary

#370907

secondary

#237377

accent

#ECF434

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370907

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

Preview Lab → · Contrast checker → · Palette generator →