#37041B#37041B

#37041B is a very dark, moderate pink. Relative luminance 0.010; OKLCH L 22.5% C 0.082 H 358.7°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#37041B
RGB	rgb(55, 4, 27)
HSL	hsl(333, 86%, 12%)
HSV	hsv(333, 93%, 22%)
CMYK	cmyk(0%, 92.7%, 50.9%, 78.4%)
CIE-LAB	lab(8.81, 26.75, -0.85)
CIE-LCH	lch(8.81, 26.76, 358.19°)
OKLab	oklab(22.47% 0.0823 -0.0019)
OKLCH	oklch(22.47% 0.082 358.7)
XYZ	xyz(1.8169, 0.9784, 1.1299)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37041B #043720

analogous

#370435 #37041B #370604

triadic

#37041B #1B3704 #041B37

tetradic

#37041B #353704 #043720 #060437

square

#37041B #353704 #043720 #060437

split-complementary

#37041B #043706 #043537

monochromatic

#1D020E #1D020E #37041B #700837 #A90C53

Accessibility & contrast

On white

17.56

#37041B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#37041B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37041B

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37041B	#FFFFFF	#000000	##FFFFFF
##37041B	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F131C

Deuteranopia (green-blind)

#1D1D1A

Tritanopia (blue-blind)

#3C000E

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #37041b;
/* rgb */ color: rgb(55, 4, 27);
/* oklch */ color: oklch(22.5% 0.082 358.7);

Tailwind

colors: {
  custom: {
    50: '#714a57',
    500: '#37041b',
    950: '#000000',
  },
}

SCSS

$custom: #37041b;
$custom-light: #714a57;
$custom-dark: #000000;

JSON

{
  "hex": "#37041b",
  "rgb": {
    "r": 55,
    "g": 4,
    "b": 27
  },
  "hsl": {
    "h": 332.941,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.22472,
    "c": 0.08235,
    "h": 358.7
  },
  "luminance": 0.00978
}

Semantic roles & 50–950 ramp

primary

#37041B

secondary

#1E7950

accent

#FD9E2B

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080103

muted

#7B7778

Preview Lab

Preview with #37041B

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

Preview Lab → · Contrast checker → · Palette generator →