#371B88#371B88

#371B88 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.2% C 0.166 H 285.3°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#371B88
RGB	rgb(55, 27, 136)
HSL	hsl(255, 67%, 32%)
HSV	hsv(255, 80%, 53%)
CMYK	cmyk(59.6%, 80.1%, 0%, 46.7%)
CIE-LAB	lab(21.48, 41.97, -55.52)
CIE-LCH	lch(21.48, 69.59, 307.09°)
OKLab	oklab(34.2% 0.0439 -0.1599)
OKLCH	oklch(34.2% 0.166 285.3)
XYZ	xyz(6.4101, 3.3733, 23.6011)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B88 #6C881B

analogous

#1B3688 #371B88 #6E1B88

triadic

#371B88 #88371B #1B8837

tetradic

#371B88 #881B36 #6C881B #1B886E

square

#371B88 #881B36 #6C881B #1B886E

split-complementary

#371B88 #886E1B #36881B

monochromatic

#0E0722 #221155 #371B88 #4C25BB #6A44DA

Accessibility & contrast

On white

12.54

#371B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#371B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B88

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B88	#FFFFFF	#000000	##FFFFFF
##371B88	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368B

Deuteranopia (green-blind)

#003086

Tritanopia (blue-blind)

#0A3B51

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #371b88;
/* rgb */ color: rgb(55, 27, 136);
/* oklch */ color: oklch(34.2% 0.166 285.3);

Tailwind

colors: {
  custom: {
    50: '#785cac',
    500: '#371b88',
    950: '#000000',
  },
}

SCSS

$custom: #371b88;
$custom-light: #785cac;
$custom-dark: #000000;

JSON

{
  "hex": "#371b88",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 136
  },
  "hsl": {
    "h": 255.413,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.34201,
    "c": 0.16585,
    "h": 285.3
  },
  "luminance": 0.03374
}

Semantic roles & 50–950 ramp

primary

#371B88

secondary

#9CBB44

accent

#EA3EBE

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #371B88

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

Preview Lab → · Contrast checker → · Palette generator →