#37050E#37050E

#37050E is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.2% C 0.078 H 16.1°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#37050E
RGB	rgb(55, 5, 14)
HSL	hsl(349, 83%, 12%)
HSV	hsv(349, 91%, 22%)
CMYK	cmyk(0%, 90.9%, 74.5%, 78.4%)
CIE-LAB	lab(8.59, 25.00, 7.53)
CIE-LCH	lch(8.59, 26.11, 16.76°)
OKLab	oklab(22.18% 0.0747 0.0216)
OKLCH	oklch(22.18% 0.078 16.1)
XYZ	xyz(1.7093, 0.9527, 0.5093)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37050E #05372E

analogous

#370527 #37050E #371505

triadic

#37050E #0E3705 #050E37

tetradic

#37050E #273705 #05372E #150537

square

#37050E #273705 #05372E #150537

split-complementary

#37050E #053715 #052737

monochromatic

#1C0307 #1C0307 #37050E #6F0A1C #A70F2B

Accessibility & contrast

On white

17.64

#37050E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#37050E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37050E

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37050E	#FFFFFF	#000000	##FFFFFF
##37050E	1.00	17.64	1.19	17.64
#FFFFFF	17.64	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13120E

Deuteranopia (green-blind)

#201C0D

Tritanopia (blue-blind)

#3D0008

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #37050e;
/* rgb */ color: rgb(55, 5, 14);
/* oklch */ color: oklch(22.2% 0.078 16.1);

Tailwind

colors: {
  custom: {
    50: '#724a4d',
    500: '#37050e',
    950: '#000000',
  },
}

SCSS

$custom: #37050e;
$custom-light: #724a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#37050e",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 14
  },
  "hsl": {
    "h": 349.2,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.2218,
    "c": 0.07776,
    "h": 16.1
  },
  "luminance": 0.00952
}

Semantic roles & 50–950 ramp

primary

#37050E

secondary

#207868

accent

#FAD52E

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37050E

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

Preview Lab → · Contrast checker → · Palette generator →