#37090E#37090E

#37090E is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.7% C 0.072 H 19.2°. Best body text is #FFFFFF at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#37090E
RGB	rgb(55, 9, 14)
HSL	hsl(353, 72%, 13%)
HSV	hsv(353, 84%, 22%)
CMYK	cmyk(0%, 83.6%, 74.5%, 78.4%)
CIE-LAB	lab(9.32, 22.97, 8.57)
CIE-LCH	lch(9.32, 24.52, 20.47°)
OKLab	oklab(22.72% 0.0682 0.0237)
OKLCH	oklch(22.72% 0.072 19.2)
XYZ	xyz(1.7527, 1.0396, 0.5237)
Luminance	0.0104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37090E #093732

analogous

#370925 #37090E #371B09

triadic

#37090E #0E3709 #090E37

tetradic

#37090E #253709 #093732 #1B0937

square

#37090E #253709 #093732 #1B0937

split-complementary

#37090E #09371B #092537

monochromatic

#1A0407 #1A0407 #37090E #6C121B #A01A29

Accessibility & contrast

On white

17.39

#37090E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#37090E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37090E

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37090E	#FFFFFF	#000000	##FFFFFF
##37090E	1.00	17.39	1.21	17.39
#FFFFFF	17.39	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140E

Deuteranopia (green-blind)

#211E0D

Tritanopia (blue-blind)

#3D010B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #37090e;
/* rgb */ color: rgb(55, 9, 14);
/* oklch */ color: oklch(22.7% 0.072 19.2);

Tailwind

colors: {
  custom: {
    50: '#724c4d',
    500: '#37090e',
    950: '#000000',
  },
}

SCSS

$custom: #37090e;
$custom-light: #724c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#37090e",
  "rgb": {
    "r": 55,
    "g": 9,
    "b": 14
  },
  "hsl": {
    "h": 353.478,
    "s": 71.875,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22718,
    "c": 0.07221,
    "h": 19.2
  },
  "luminance": 0.01039
}

Semantic roles & 50–950 ramp

primary

#37090E

secondary

#27756D

accent

#EFDB39

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37090E

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

Preview Lab → · Contrast checker → · Palette generator →