#370B3F#370B3F

#370B3F is a dark, moderate purple. Relative luminance 0.014; OKLCH L 25.5% C 0.100 H 321.0°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#370B3F
RGB	rgb(55, 11, 63)
HSL	hsl(291, 70%, 15%)
HSV	hsv(291, 83%, 25%)
CMYK	cmyk(12.7%, 82.5%, 0%, 75.3%)
CIE-LAB	lab(12.03, 29.70, -22.51)
CIE-LCH	lch(12.03, 37.26, 322.84°)
OKLab	oklab(25.47% 0.0778 -0.063)
OKLCH	oklch(25.47% 0.1 321)
XYZ	xyz(2.5923, 1.4106, 4.8374)
Luminance	0.0141 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B3F #133F0B

analogous

#1D0B3F #370B3F #3F0B2D

triadic

#370B3F #3F370B #0B3F37

tetradic

#370B3F #3F1D0B #133F0B #0B2D3F

square

#370B3F #3F1D0B #133F0B #0B2D3F

split-complementary

#370B3F #2D3F0B #0B3F1D

monochromatic

#17051A #17051A #370B3F #641473 #921DA7

Accessibility & contrast

On white

16.38

#370B3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#370B3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B3F

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B3F	#FFFFFF	#000000	##FFFFFF
##370B3F	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C40

Deuteranopia (green-blind)

#11213E

Tritanopia (blue-blind)

#371524

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #370b3f;
/* rgb */ color: rgb(55, 11, 63);
/* oklch */ color: oklch(25.5% 0.100 321.0);

Tailwind

colors: {
  custom: {
    50: '#704f74',
    500: '#370b3f',
    950: '#000000',
  },
}

SCSS

$custom: #370b3f;
$custom-light: #704f74;
$custom-dark: #000000;

JSON

{
  "hex": "#370b3f",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 63
  },
  "hsl": {
    "h": 290.769,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25465,
    "c": 0.10012,
    "h": 321
  },
  "luminance": 0.0141
}

Semantic roles & 50–950 ramp

primary

#370B3F

secondary

#377C2A

accent

#ED3B56

background

#F6F4F7

surface

#ECE7ED

border

#C7C3C8

text

#080208

muted

#7B787B

Preview Lab

Preview with #370B3F

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

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