#37050D#37050D

#37050D is a very dark, moderate red. Relative luminance 0.009; OKLCH L 22.2% C 0.078 H 17.3°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#37050D
RGB	rgb(55, 5, 13)
HSL	hsl(350, 83%, 12%)
HSV	hsv(350, 91%, 22%)
CMYK	cmyk(0%, 90.9%, 76.4%, 78.4%)
CIE-LAB	lab(8.57, 24.93, 7.99)
CIE-LCH	lch(8.57, 26.18, 17.77°)
OKLab	oklab(22.16% 0.0742 0.0231)
OKLCH	oklch(22.16% 0.078 17.3)
XYZ	xyz(1.7027, 0.9501, 0.4744)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37050D #05372F

analogous

#370526 #37050D #371605

triadic

#37050D #0D3705 #050D37

tetradic

#37050D #263705 #05372F #160537

square

#37050D #263705 #05372F #160537

split-complementary

#37050D #053716 #052637

monochromatic

#1C0307 #1C0307 #37050D #6F0A1A #A70F28

Accessibility & contrast

On white

17.65

#37050D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#37050D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37050D

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37050D	#FFFFFF	#000000	##FFFFFF
##37050D	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13120D

Deuteranopia (green-blind)

#201C0C

Tritanopia (blue-blind)

#3D0008

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #37050d;
/* rgb */ color: rgb(55, 5, 13);
/* oklch */ color: oklch(22.2% 0.078 17.3);

Tailwind

colors: {
  custom: {
    50: '#724a4c',
    500: '#37050d',
    950: '#000000',
  },
}

SCSS

$custom: #37050d;
$custom-light: #724a4c;
$custom-dark: #000000;

JSON

{
  "hex": "#37050d",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 13
  },
  "hsl": {
    "h": 350.4,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22155,
    "c": 0.07774,
    "h": 17.3
  },
  "luminance": 0.0095
}

Semantic roles & 50–950 ramp

primary

#37050D

secondary

#20786A

accent

#FAD92E

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37050D

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

Preview Lab → · Contrast checker → · Palette generator →