#371B4B#371B4B

#371B4B is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.6% C 0.088 H 308.8°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#371B4B
RGB	rgb(55, 27, 75)
HSL	hsl(275, 47%, 20%)
HSV	hsv(275, 64%, 29%)
CMYK	cmyk(26.7%, 64%, 0%, 70.6%)
CIE-LAB	lab(16.02, 24.04, -24.49)
CIE-LCH	lch(16.02, 34.31, 314.47°)
OKLab	oklab(28.63% 0.0554 -0.0689)
OKLCH	oklch(28.63% 0.088 308.8)
XYZ	xyz(3.2372, 2.1041, 6.8908)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B4B #2F4B1B

analogous

#1F1B4B #371B4B #4B1B47

triadic

#371B4B #4B371B #1B4B37

tetradic

#371B4B #4B1F1B #2F4B1B #1B474B

square

#371B4B #4B1F1B #2F4B1B #1B474B

split-complementary

#371B4B #474B1B #1B4B1F

monochromatic

#110817 #160B1E #371B4B #582B78 #793BA5

Accessibility & contrast

On white

14.78

#371B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#371B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B4B

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B4B	#FFFFFF	#000000	##FFFFFF
##371B4B	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A274D

Deuteranopia (green-blind)

#15284A

Tritanopia (blue-blind)

#342430

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #371b4b;
/* rgb */ color: rgb(55, 27, 75);
/* oklch */ color: oklch(28.6% 0.088 308.8);

Tailwind

colors: {
  custom: {
    50: '#70597d',
    500: '#371b4b',
    950: '#000000',
  },
}

SCSS

$custom: #371b4b;
$custom-light: #70597d;
$custom-dark: #000000;

JSON

{
  "hex": "#371b4b",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 75
  },
  "hsl": {
    "h": 275,
    "s": 47.059,
    "l": 20
  },
  "oklch": {
    "l": 0.28629,
    "c": 0.08838,
    "h": 308.8
  },
  "luminance": 0.02104
}

Semantic roles & 50–950 ramp

primary

#371B4B

secondary

#5C8141

accent

#D75189

background

#F6F5F7

surface

#ECE9EE

border

#C7C5C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #371B4B

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

Preview Lab → · Contrast checker → · Palette generator →