#370B40#370B40

#370B40 is a dark, moderate purple. Relative luminance 0.014; OKLCH L 25.5% C 0.101 H 320.2°. Best body text is #FFFFFF at 16.35:1 contrast (WCAG AA passes).

Color values

HEX	#370B40
RGB	rgb(55, 11, 64)
HSL	hsl(290, 71%, 15%)
HSV	hsv(290, 83%, 25%)
CMYK	cmyk(14.1%, 82.8%, 0%, 74.9%)
CIE-LAB	lab(12.10, 29.92, -23.10)
CIE-LCH	lch(12.10, 37.80, 322.33°)
OKLab	oklab(25.54% 0.0777 -0.0647)
OKLCH	oklch(25.54% 0.101 320.2)
XYZ	xyz(2.6205, 1.4219, 4.9859)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B40 #14400B

analogous

#1C0B40 #370B40 #400B2F

triadic

#370B40 #40370B #0B4037

tetradic

#370B40 #401C0B #14400B #0B2F40

square

#370B40 #401C0B #14400B #0B2F40

split-complementary

#370B40 #2F400B #0B401C

monochromatic

#16041A #16041A #370B40 #641474 #911DA8

Accessibility & contrast

On white

16.35

#370B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#370B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B40

16.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B40	#FFFFFF	#000000	##FFFFFF
##370B40	1.00	16.35	1.28	16.35
#FFFFFF	16.35	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D41

Deuteranopia (green-blind)

#10213F

Tritanopia (blue-blind)

#371525

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #370b40;
/* rgb */ color: rgb(55, 11, 64);
/* oklch */ color: oklch(25.5% 0.101 320.2);

Tailwind

colors: {
  custom: {
    50: '#704f75',
    500: '#370b40',
    950: '#000000',
  },
}

SCSS

$custom: #370b40;
$custom-light: #704f75;
$custom-dark: #000000;

JSON

{
  "hex": "#370b40",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 64
  },
  "hsl": {
    "h": 289.811,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25542,
    "c": 0.10115,
    "h": 320.2
  },
  "luminance": 0.01422
}

Semantic roles & 50–950 ramp

primary

#370B40

secondary

#387D2A

accent

#ED3A59

background

#F6F4F7

surface

#ECE7ED

border

#C7C3C8

text

#080208

muted

#7B787B

Preview Lab

Preview with #370B40

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

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