#37050F#37050F

#37050F is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.2% C 0.078 H 14.9°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#37050F
RGB	rgb(55, 5, 15)
HSL	hsl(348, 83%, 12%)
HSV	hsv(348, 91%, 22%)
CMYK	cmyk(0%, 90.9%, 72.7%, 78.4%)
CIE-LAB	lab(8.62, 25.07, 7.05)
CIE-LCH	lch(8.62, 26.05, 15.69°)
OKLab	oklab(22.21% 0.0752 0.02)
OKLCH	oklch(22.21% 0.078 14.9)
XYZ	xyz(1.7162, 0.9555, 0.5459)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37050F #05372D

analogous

#370528 #37050F #371405

triadic

#37050F #0F3705 #050F37

tetradic

#37050F #283705 #05372D #140537

square

#37050F #283705 #05372D #140537

split-complementary

#37050F #053714 #052837

monochromatic

#1C0308 #1C0308 #37050F #6F0A1E #A70F2E

Accessibility & contrast

On white

17.63

#37050F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#37050F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37050F

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37050F	#FFFFFF	#000000	##FFFFFF
##37050F	1.00	17.63	1.19	17.63
#FFFFFF	17.63	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13120F

Deuteranopia (green-blind)

#201D0E

Tritanopia (blue-blind)

#3D0009

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #37050f;
/* rgb */ color: rgb(55, 5, 15);
/* oklch */ color: oklch(22.2% 0.078 14.9);

Tailwind

colors: {
  custom: {
    50: '#724a4e',
    500: '#37050f',
    950: '#000000',
  },
}

SCSS

$custom: #37050f;
$custom-light: #724a4e;
$custom-dark: #000000;

JSON

{
  "hex": "#37050f",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 15
  },
  "hsl": {
    "h": 348,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22205,
    "c": 0.07779,
    "h": 14.9
  },
  "luminance": 0.00955
}

Semantic roles & 50–950 ramp

primary

#37050F

secondary

#207866

accent

#FAD12E

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37050F

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

Preview Lab → · Contrast checker → · Palette generator →