#371B8A#371B8A

#371B8A is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.4% C 0.168 H 284.9°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#371B8A
RGB	rgb(55, 27, 138)
HSL	hsl(255, 67%, 32%)
HSV	hsv(255, 80%, 54%)
CMYK	cmyk(60.1%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(21.69, 42.56, -56.42)
CIE-LCH	lch(21.69, 70.68, 307.03°)
OKLab	oklab(34.41% 0.0432 -0.1626)
OKLCH	oklch(34.41% 0.168 284.9)
XYZ	xyz(6.5535, 3.4307, 24.3567)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B8A #6E8A1B

analogous

#1B378A #371B8A #6F1B8A

triadic

#371B8A #8A371B #1B8A37

tetradic

#371B8A #8A1B37 #6E8A1B #1B8A6F

square

#371B8A #8A1B37 #6E8A1B #1B8A6F

split-complementary

#371B8A #8A6F1B #378A1B

monochromatic

#0E0724 #231157 #371B8A #4B25BD #6B45DB

Accessibility & contrast

On white

12.45

#371B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#371B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B8A

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B8A	#FFFFFF	#000000	##FFFFFF
##371B8A	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378D

Deuteranopia (green-blind)

#003088

Tritanopia (blue-blind)

#063C52

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #371b8a;
/* rgb */ color: rgb(55, 27, 138);
/* oklch */ color: oklch(34.4% 0.168 284.9);

Tailwind

colors: {
  custom: {
    50: '#795cad',
    500: '#371b8a',
    950: '#000000',
  },
}

SCSS

$custom: #371b8a;
$custom-light: #795cad;
$custom-dark: #000000;

JSON

{
  "hex": "#371b8a",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 255.135,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34412,
    "c": 0.16823,
    "h": 284.9
  },
  "luminance": 0.03431
}

Semantic roles & 50–950 ramp

primary

#371B8A

secondary

#9EBC45

accent

#EA3EBF

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #371B8A

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

Preview Lab → · Contrast checker → · Palette generator →