#370731#370731

#370731 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.0% C 0.092 H 333.7°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#370731
RGB	rgb(55, 7, 49)
HSL	hsl(308, 77%, 12%)
HSV	hsv(308, 87%, 22%)
CMYK	cmyk(0%, 87.3%, 10.9%, 78.4%)
CIE-LAB	lab(10.45, 28.59, -14.92)
CIE-LCH	lch(10.45, 32.25, 332.45°)
OKLab	oklab(24.03% 0.0829 -0.0409)
OKLCH	oklch(24.03% 0.092 333.7)
XYZ	xyz(2.2059, 1.1861, 3.0179)
Luminance	0.0119 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370731 #07370D

analogous

#250737 #370731 #370719

triadic

#370731 #313707 #073137

tetradic

#370731 #372507 #07370D #071937

square

#370731 #372507 #07370D #071937

split-complementary

#370731 #193707 #073725

monochromatic

#1B0318 #1B0318 #370731 #6D0E61 #A41592

Accessibility & contrast

On white

16.97

#370731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370731

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370731	#FFFFFF	#000000	##FFFFFF
##370731	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061832

Deuteranopia (green-blind)

#181F30

Tritanopia (blue-blind)

#3A0C1B

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370731;
/* rgb */ color: rgb(55, 7, 49);
/* oklch */ color: oklch(24.0% 0.092 333.7);

Tailwind

colors: {
  custom: {
    50: '#704d69',
    500: '#370731',
    950: '#000000',
  },
}

SCSS

$custom: #370731;
$custom-light: #704d69;
$custom-dark: #000000;

JSON

{
  "hex": "#370731",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 49
  },
  "hsl": {
    "h": 307.5,
    "s": 77.419,
    "l": 12.157
  },
  "oklch": {
    "l": 0.2403,
    "c": 0.09242,
    "h": 333.7
  },
  "luminance": 0.01186
}

Semantic roles & 50–950 ramp

primary

#370731

secondary

#23772E

accent

#F44C34

background

#F6F4F6

surface

#ECE7EB

border

#C7C3C6

text

#080106

muted

#7B777A

Preview Lab

Preview with #370731

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

Preview Lab → · Contrast checker → · Palette generator →