#370637#370637

#370637 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.3% C 0.099 H 328.1°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#370637
RGB	rgb(55, 6, 55)
HSL	hsl(300, 80%, 12%)
HSV	hsv(300, 89%, 22%)
CMYK	cmyk(0%, 89.1%, 0%, 78.4%)
CIE-LAB	lab(10.69, 30.20, -18.91)
CIE-LCH	lch(10.69, 35.63, 327.94°)
OKLab	oklab(24.33% 0.0843 -0.0524)
OKLCH	oklch(24.33% 0.099 328.1)
XYZ	xyz(2.3302, 1.2185, 3.7261)
Luminance	0.0122 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370637 #063706

analogous

#1F0637 #370637 #37061F

triadic

#370637 #373706 #063737

tetradic

#370637 #371F06 #063706 #061F37

square

#370637 #371F06 #063706 #061F37

split-complementary

#370637 #1F3706 #06371F

monochromatic

#1C031C #1C031C #370637 #6E0C6E #A512A5

Accessibility & contrast

On white

16.89

#370637 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370637 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370637

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370637	#FFFFFF	#000000	##FFFFFF
##370637	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001938

Deuteranopia (green-blind)

#141F36

Tritanopia (blue-blind)

#390E1E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #370637;
/* rgb */ color: rgb(55, 6, 55);
/* oklch */ color: oklch(24.3% 0.099 328.1);

Tailwind

colors: {
  custom: {
    50: '#704c6e',
    500: '#370637',
    950: '#000000',
  },
}

SCSS

$custom: #370637;
$custom-light: #704c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#370637",
  "rgb": {
    "r": 55,
    "g": 6,
    "b": 55
  },
  "hsl": {
    "h": 300,
    "s": 80.328,
    "l": 11.961
  },
  "oklch": {
    "l": 0.2433,
    "c": 0.09928,
    "h": 328.1
  },
  "luminance": 0.01218
}

Semantic roles & 50–950 ramp

primary

#370637

secondary

#217721

accent

#F73131

background

#F6F4F6

surface

#ECE7EC

border

#C7C3C7

text

#080107

muted

#7B777A

Preview Lab

Preview with #370637

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

Preview Lab → · Contrast checker → · Palette generator →