#370737#370737

#370737 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.4% C 0.098 H 328.1°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#370737
RGB	rgb(55, 7, 55)
HSL	hsl(300, 77%, 12%)
HSV	hsv(300, 87%, 22%)
CMYK	cmyk(0%, 87.3%, 0%, 78.4%)
CIE-LAB	lab(10.85, 29.74, -18.66)
CIE-LCH	lch(10.85, 35.11, 327.90°)
OKLab	oklab(24.44% 0.083 -0.0517)
OKLCH	oklch(24.44% 0.098 328.1)
XYZ	xyz(2.3411, 1.2402, 3.7298)
Luminance	0.0124 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370737 #073707

analogous

#1F0737 #370737 #37071F

triadic

#370737 #373707 #073737

tetradic

#370737 #371F07 #073707 #071F37

square

#370737 #371F07 #073707 #071F37

split-complementary

#370737 #1F3707 #07371F

monochromatic

#1B031B #1B031B #370737 #6D0E6D #A415A4

Accessibility & contrast

On white

16.83

#370737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#370737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370737

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370737	#FFFFFF	#000000	##FFFFFF
##370737	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011938

Deuteranopia (green-blind)

#141F36

Tritanopia (blue-blind)

#390F1E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #370737;
/* rgb */ color: rgb(55, 7, 55);
/* oklch */ color: oklch(24.4% 0.098 328.1);

Tailwind

colors: {
  custom: {
    50: '#704d6e',
    500: '#370737',
    950: '#000000',
  },
}

SCSS

$custom: #370737;
$custom-light: #704d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#370737",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 55
  },
  "hsl": {
    "h": 300,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.24442,
    "c": 0.09781,
    "h": 328.1
  },
  "luminance": 0.0124
}

Semantic roles & 50–950 ramp

primary

#370737

secondary

#237723

accent

#F43434

background

#F6F4F6

surface

#ECE7EB

border

#C7C3C6

text

#080107

muted

#7B777A

Preview Lab

Preview with #370737

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

Preview Lab → · Contrast checker → · Palette generator →