#370707#370707

#370707 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.3% C 0.076 H 25.8°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#370707
RGB	rgb(55, 7, 7)
HSL	hsl(0, 77%, 12%)
HSV	hsv(0, 87%, 22%)
CMYK	cmyk(0%, 87.3%, 87.3%, 78.4%)
CIE-LAB	lab(8.82, 23.51, 10.90)
CIE-LCH	lch(8.82, 25.92, 24.88°)
OKLab	oklab(22.31% 0.068 0.0329)
OKLCH	oklch(22.31% 0.076 25.8)
XYZ	xyz(1.6901, 0.9798, 0.3011)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370707 #073737

analogous

#37071F #370707 #371F07

triadic

#370707 #073707 #070737

tetradic

#370707 #1F3707 #073737 #1F0737

square

#370707 #1F3707 #073737 #1F0737

split-complementary

#370707 #07371F #071F37

monochromatic

#1B0303 #1B0303 #370707 #6D0E0E #A41515

Accessibility & contrast

On white

17.56

#370707 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#370707 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370707

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370707	#FFFFFF	#000000	##FFFFFF
##370707	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151207

Deuteranopia (green-blind)

#211D06

Tritanopia (blue-blind)

#3E0008

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #370707;
/* rgb */ color: rgb(55, 7, 7);
/* oklch */ color: oklch(22.3% 0.076 25.8);

Tailwind

colors: {
  custom: {
    50: '#724b4a',
    500: '#370707',
    950: '#000000',
  },
}

SCSS

$custom: #370707;
$custom-light: #724b4a;
$custom-dark: #000000;

JSON

{
  "hex": "#370707",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 7
  },
  "hsl": {
    "h": 0,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22306,
    "c": 0.07555,
    "h": 25.8
  },
  "luminance": 0.0098
}

Semantic roles & 50–950 ramp

primary

#370707

secondary

#237777

accent

#F4F434

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #370707

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

Preview Lab → · Contrast checker → · Palette generator →