#37070F#37070F

#37070F is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.075 H 16.3°. Best body text is #FFFFFF at 17.50:1 contrast (WCAG AA passes).

Color values

HEX	#37070F
RGB	rgb(55, 7, 15)
HSL	hsl(350, 77%, 12%)
HSV	hsv(350, 87%, 22%)
CMYK	cmyk(0%, 87.3%, 72.7%, 78.4%)
CIE-LAB	lab(8.98, 24.04, 7.58)
CIE-LCH	lch(8.98, 25.21, 17.49°)
OKLab	oklab(22.48% 0.0719 0.0211)
OKLCH	oklch(22.48% 0.075 16.3)
XYZ	xyz(1.7379, 0.9989, 0.5531)
Luminance	0.0100 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37070F #07372F

analogous

#370727 #37070F #371707

triadic

#37070F #0F3707 #070F37

tetradic

#37070F #273707 #07372F #170737

square

#37070F #273707 #07372F #170737

split-complementary

#37070F #073717 #072737

monochromatic

#1B0307 #1B0307 #37070F #6D0E1E #A4152D

Accessibility & contrast

On white

17.50

#37070F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#37070F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37070F

17.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37070F	#FFFFFF	#000000	##FFFFFF
##37070F	1.00	17.50	1.20	17.50
#FFFFFF	17.50	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14130F

Deuteranopia (green-blind)

#201D0E

Tritanopia (blue-blind)

#3D000A

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #37070f;
/* rgb */ color: rgb(55, 7, 15);
/* oklch */ color: oklch(22.5% 0.075 16.3);

Tailwind

colors: {
  custom: {
    50: '#724b4e',
    500: '#37070f',
    950: '#000000',
  },
}

SCSS

$custom: #37070f;
$custom-light: #724b4e;
$custom-dark: #000000;

JSON

{
  "hex": "#37070f",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 15
  },
  "hsl": {
    "h": 350,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22477,
    "c": 0.07489,
    "h": 16.3
  },
  "luminance": 0.00999
}

Semantic roles & 50–950 ramp

primary

#37070F

secondary

#237769

accent

#F4D434

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37070F

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

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