#370B4D#370B4D

#370B4D is a dark, moderate purple. Relative luminance 0.016; OKLCH L 26.6% C 0.115 H 311.1°. Best body text is #FFFFFF at 15.94:1 contrast (WCAG AA passes).

Color values

HEX	#370B4D
RGB	rgb(55, 11, 77)
HSL	hsl(280, 75%, 17%)
HSV	hsv(280, 86%, 30%)
CMYK	cmyk(28.6%, 85.7%, 0%, 69.8%)
CIE-LAB	lab(13.15, 32.95, -30.48)
CIE-LCH	lch(13.15, 44.89, 317.23°)
OKLab	oklab(26.62% 0.0755 -0.0864)
OKLCH	oklch(26.62% 0.115 311.1)
XYZ	xyz(3.0345, 1.5875, 7.1663)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370B4D #214D0B

analogous

#160B4D #370B4D #4D0B42

triadic

#370B4D #4D370B #0B4D37

tetradic

#370B4D #4D160B #214D0B #0B424D

square

#370B4D #4D160B #214D0B #0B424D

split-complementary

#370B4D #424D0B #0B4D16

monochromatic

#13041B #13041B #370B4D #5D1383 #841AB8

Accessibility & contrast

On white

15.94

#370B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#370B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370B4D

15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370B4D	#FFFFFF	#000000	##FFFFFF
##370B4D	1.00	15.94	1.32	15.94
#FFFFFF	15.94	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204F

Deuteranopia (green-blind)

#00234C

Tritanopia (blue-blind)

#341B2C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #370b4d;
/* rgb */ color: rgb(55, 11, 77);
/* oklch */ color: oklch(26.6% 0.115 311.1);

Tailwind

colors: {
  custom: {
    50: '#71507f',
    500: '#370b4d',
    950: '#000000',
  },
}

SCSS

$custom: #370b4d;
$custom-light: #71507f;
$custom-dark: #000000;

JSON

{
  "hex": "#370b4d",
  "rgb": {
    "r": 55,
    "g": 11,
    "b": 77
  },
  "hsl": {
    "h": 280,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.26619,
    "c": 0.11474,
    "h": 311.1
  },
  "luminance": 0.01587
}

Semantic roles & 50–950 ramp

primary

#370B4D

secondary

#4A892B

accent

#F23675

background

#F7F4F7

surface

#EDE7EE

border

#C8C3C9

text

#08020A

muted

#7B787C

Preview Lab

Preview with #370B4D

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

Preview Lab → · Contrast checker → · Palette generator →