#37090F#37090F

#37090F is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.7% C 0.072 H 17.9°. Best body text is #FFFFFF at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#37090F
RGB	rgb(55, 9, 15)
HSL	hsl(352, 72%, 13%)
HSV	hsv(352, 84%, 22%)
CMYK	cmyk(0%, 83.6%, 72.7%, 78.4%)
CIE-LAB	lab(9.34, 23.05, 8.09)
CIE-LCH	lch(9.34, 24.43, 19.33°)
OKLab	oklab(22.74% 0.0687 0.0222)
OKLCH	oklch(22.74% 0.072 17.9)
XYZ	xyz(1.7596, 1.0423, 0.5604)
Luminance	0.0104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37090F #093731

analogous

#370926 #37090F #371A09

triadic

#37090F #0F3709 #090F37

tetradic

#37090F #263709 #093731 #1A0937

square

#37090F #263709 #093731 #1A0937

split-complementary

#37090F #09371A #092637

monochromatic

#1A0407 #1A0407 #37090F #6C121D #A01A2C

Accessibility & contrast

On white

17.38

#37090F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#37090F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37090F

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37090F	#FFFFFF	#000000	##FFFFFF
##37090F	1.00	17.38	1.21	17.38
#FFFFFF	17.38	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15140F

Deuteranopia (green-blind)

#211E0E

Tritanopia (blue-blind)

#3D010C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #37090f;
/* rgb */ color: rgb(55, 9, 15);
/* oklch */ color: oklch(22.7% 0.072 17.9);

Tailwind

colors: {
  custom: {
    50: '#724c4e',
    500: '#37090f',
    950: '#000000',
  },
}

SCSS

$custom: #37090f;
$custom-light: #724c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#37090f",
  "rgb": {
    "r": 55,
    "g": 9,
    "b": 15
  },
  "hsl": {
    "h": 352.174,
    "s": 71.875,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22742,
    "c": 0.07217,
    "h": 17.9
  },
  "luminance": 0.01042
}

Semantic roles & 50–950 ramp

primary

#37090F

secondary

#27756B

accent

#EFD739

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37090F

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

Preview Lab → · Contrast checker → · Palette generator →