#37070D#37070D

#37070D is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.4% C 0.075 H 18.8°. Best body text is #FFFFFF at 17.52:1 contrast (WCAG AA passes).

Color values

HEX	#37070D
RGB	rgb(55, 7, 13)
HSL	hsl(353, 77%, 12%)
HSV	hsv(353, 87%, 22%)
CMYK	cmyk(0%, 87.3%, 76.4%, 78.4%)
CIE-LAB	lab(8.94, 23.89, 8.52)
CIE-LCH	lch(8.94, 25.37, 19.62°)
OKLab	oklab(22.43% 0.0709 0.0242)
OKLCH	oklch(22.43% 0.075 18.8)
XYZ	xyz(1.7244, 0.9935, 0.4817)
Luminance	0.0099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37070D #073731

analogous

#370725 #37070D #371907

triadic

#37070D #0D3707 #070D37

tetradic

#37070D #253707 #073731 #190737

square

#37070D #253707 #073731 #190737

split-complementary

#37070D #073719 #072537

monochromatic

#1B0306 #1B0306 #37070D #6D0E1A #A41527

Accessibility & contrast

On white

17.52

#37070D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#37070D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37070D

17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37070D	#FFFFFF	#000000	##FFFFFF
##37070D	1.00	17.52	1.20	17.52
#FFFFFF	17.52	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14130D

Deuteranopia (green-blind)

#211D0C

Tritanopia (blue-blind)

#3D0009

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #37070d;
/* rgb */ color: rgb(55, 7, 13);
/* oklch */ color: oklch(22.4% 0.075 18.8);

Tailwind

colors: {
  custom: {
    50: '#724b4c',
    500: '#37070d',
    950: '#000000',
  },
}

SCSS

$custom: #37070d;
$custom-light: #724b4c;
$custom-dark: #000000;

JSON

{
  "hex": "#37070d",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 13
  },
  "hsl": {
    "h": 352.5,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22429,
    "c": 0.07491,
    "h": 18.8
  },
  "luminance": 0.00993
}

Semantic roles & 50–950 ramp

primary

#37070D

secondary

#23776C

accent

#F4DC34

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37070D

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

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