#37070E#37070E

#37070E is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.075 H 17.6°. Best body text is #FFFFFF at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#37070E
RGB	rgb(55, 7, 14)
HSL	hsl(351, 77%, 12%)
HSV	hsv(351, 87%, 22%)
CMYK	cmyk(0%, 87.3%, 74.5%, 78.4%)
CIE-LAB	lab(8.96, 23.97, 8.06)
CIE-LCH	lch(8.96, 25.29, 18.58°)
OKLab	oklab(22.45% 0.0714 0.0227)
OKLCH	oklch(22.45% 0.075 17.6)
XYZ	xyz(1.7310, 0.9961, 0.5165)
Luminance	0.0100 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37070E #073730

analogous

#370726 #37070E #371807

triadic

#37070E #0E3707 #070E37

tetradic

#37070E #263707 #073730 #180737

square

#37070E #263707 #073730 #180737

split-complementary

#37070E #073718 #072637

monochromatic

#1B0307 #1B0307 #37070E #6D0E1C #A4152A

Accessibility & contrast

On white

17.51

#37070E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#37070E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37070E

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37070E	#FFFFFF	#000000	##FFFFFF
##37070E	1.00	17.51	1.20	17.51
#FFFFFF	17.51	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14130E

Deuteranopia (green-blind)

#211D0D

Tritanopia (blue-blind)

#3D000A

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #37070e;
/* rgb */ color: rgb(55, 7, 14);
/* oklch */ color: oklch(22.5% 0.075 17.6);

Tailwind

colors: {
  custom: {
    50: '#724b4d',
    500: '#37070e',
    950: '#000000',
  },
}

SCSS

$custom: #37070e;
$custom-light: #724b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#37070e",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 14
  },
  "hsl": {
    "h": 351.25,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22452,
    "c": 0.07489,
    "h": 17.6
  },
  "luminance": 0.00996
}

Semantic roles & 50–950 ramp

primary

#37070E

secondary

#23776A

accent

#F4D834

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37070E

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

Preview Lab → · Contrast checker → · Palette generator →