#370837#370837

#370837 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.6% C 0.096 H 328.0°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#370837
RGB	rgb(55, 8, 55)
HSL	hsl(300, 75%, 12%)
HSV	hsv(300, 85%, 22%)
CMYK	cmyk(0%, 85.5%, 0%, 78.4%)
CIE-LAB	lab(11.01, 29.29, -18.41)
CIE-LCH	lch(11.01, 34.60, 327.85°)
OKLab	oklab(24.55% 0.0817 -0.051)
OKLCH	oklch(24.55% 0.096 328)
XYZ	xyz(2.3519, 1.2619, 3.7334)
Luminance	0.0126 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370837 #083708

analogous

#200837 #370837 #370820

triadic

#370837 #373708 #083737

tetradic

#370837 #372008 #083708 #082037

square

#370837 #372008 #083708 #082037

split-complementary

#370837 #203708 #083720

monochromatic

#1B041B #1B041B #370837 #6C106C #A218A2

Accessibility & contrast

On white

16.77

#370837 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#370837 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370837

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370837	#FFFFFF	#000000	##FFFFFF
##370837	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021A38

Deuteranopia (green-blind)

#152036

Tritanopia (blue-blind)

#390F1F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #370837;
/* rgb */ color: rgb(55, 8, 55);
/* oklch */ color: oklch(24.6% 0.096 328.0);

Tailwind

colors: {
  custom: {
    50: '#704d6e',
    500: '#370837',
    950: '#000000',
  },
}

SCSS

$custom: #370837;
$custom-light: #704d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#370837",
  "rgb": {
    "r": 55,
    "g": 8,
    "b": 55
  },
  "hsl": {
    "h": 300,
    "s": 74.603,
    "l": 12.353
  },
  "oklch": {
    "l": 0.24553,
    "c": 0.09636,
    "h": 328
  },
  "luminance": 0.01262
}

Semantic roles & 50–950 ramp

primary

#370837

secondary

#257625

accent

#F13737

background

#F6F4F6

surface

#ECE7EB

border

#C7C3C6

text

#080207

muted

#7B787A

Preview Lab

Preview with #370837

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

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