#37050C#37050C

#37050C is a very dark, moderate red. Relative luminance 0.009; OKLCH L 22.1% C 0.078 H 18.5°. Best body text is #FFFFFF at 17.66:1 contrast (WCAG AA passes).

Color values

HEX	#37050C
RGB	rgb(55, 5, 12)
HSL	hsl(352, 83%, 12%)
HSV	hsv(352, 91%, 22%)
CMYK	cmyk(0%, 90.9%, 78.2%, 78.4%)
CIE-LAB	lab(8.55, 24.86, 8.42)
CIE-LCH	lch(8.55, 26.25, 18.72°)
OKLab	oklab(22.13% 0.0737 0.0246)
OKLCH	oklch(22.13% 0.078 18.5)
XYZ	xyz(1.6964, 0.9476, 0.4413)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37050C #053730

analogous

#370525 #37050C #371705

triadic

#37050C #0C3705 #050C37

tetradic

#37050C #253705 #053730 #170537

square

#37050C #253705 #053730 #170537

split-complementary

#37050C #053717 #052537

monochromatic

#1C0306 #1C0306 #37050C #6F0A18 #A70F24

Accessibility & contrast

On white

17.66

#37050C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#37050C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37050C

17.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37050C	#FFFFFF	#000000	##FFFFFF
##37050C	1.00	17.66	1.19	17.66
#FFFFFF	17.66	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13120C

Deuteranopia (green-blind)

#201C0A

Tritanopia (blue-blind)

#3D0008

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #37050c;
/* rgb */ color: rgb(55, 5, 12);
/* oklch */ color: oklch(22.1% 0.078 18.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#37050c",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 12
  },
  "hsl": {
    "h": 351.6,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22132,
    "c": 0.07775,
    "h": 18.5
  },
  "luminance": 0.00947
}

Semantic roles & 50–950 ramp

primary

#37050C

secondary

#20786C

accent

#FADD2E

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #37050C

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

Preview Lab → · Contrast checker → · Palette generator →