#370740#370740

#370740 is a dark, moderate purple. Relative luminance 0.013; OKLCH L 25.1% C 0.106 H 320.6°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#370740
RGB	rgb(55, 7, 64)
HSL	hsl(291, 80%, 14%)
HSV	hsv(291, 89%, 25%)
CMYK	cmyk(14.1%, 89.1%, 0%, 74.9%)
CIE-LAB	lab(11.51, 31.61, -24.04)
CIE-LCH	lch(11.51, 39.71, 322.74°)
OKLab	oklab(25.13% 0.0822 -0.0675)
OKLCH	oklch(25.13% 0.106 320.6)
XYZ	xyz(2.5768, 1.3345, 4.9713)
Luminance	0.0133 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370740 #104007

analogous

#1B0740 #370740 #40072D

triadic

#370740 #403707 #074037

tetradic

#370740 #401B07 #104007 #072D40

square

#370740 #401B07 #104007 #072D40

split-complementary

#370740 #2D4007 #07401B

monochromatic

#18031C #18031C #370740 #660D77 #9613AE

Accessibility & contrast

On white

16.58

#370740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#370740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370740

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370740	#FFFFFF	#000000	##FFFFFF
##370740	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B42

Deuteranopia (green-blind)

#0D203F

Tritanopia (blue-blind)

#371324

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #370740;
/* rgb */ color: rgb(55, 7, 64);
/* oklch */ color: oklch(25.1% 0.106 320.6);

Tailwind

colors: {
  custom: {
    50: '#704d75',
    500: '#370740',
    950: '#000000',
  },
}

SCSS

$custom: #370740;
$custom-light: #704d75;
$custom-dark: #000000;

JSON

{
  "hex": "#370740",
  "rgb": {
    "r": 55,
    "g": 7,
    "b": 64
  },
  "hsl": {
    "h": 290.526,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.25126,
    "c": 0.10635,
    "h": 320.6
  },
  "luminance": 0.01334
}

Semantic roles & 50–950 ramp

primary

#370740

secondary

#327F24

accent

#F73150

background

#F7F4F7

surface

#EDE7ED

border

#C8C3C8

text

#080208

muted

#7B787B

Preview Lab

Preview with #370740

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

Preview Lab → · Contrast checker → · Palette generator →