#371B87#371B87

#371B87 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.1% C 0.165 H 285.6°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#371B87
RGB	rgb(55, 27, 135)
HSL	hsl(256, 67%, 32%)
HSV	hsv(256, 80%, 53%)
CMYK	cmyk(59.3%, 80%, 0%, 47.1%)
CIE-LAB	lab(21.38, 41.67, -55.06)
CIE-LCH	lch(21.38, 69.05, 307.12°)
OKLab	oklab(34.1% 0.0442 -0.1586)
OKLCH	oklch(34.1% 0.165 285.6)
XYZ	xyz(6.3393, 3.3450, 23.2286)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B87 #6B871B

analogous

#1B3587 #371B87 #6D1B87

triadic

#371B87 #87371B #1B8737

tetradic

#371B87 #871B35 #6B871B #1B876D

square

#371B87 #871B35 #6B871B #1B876D

split-complementary

#371B87 #876D1B #35871B

monochromatic

#0D0721 #221154 #371B87 #4C25BA #6A43D9

Accessibility & contrast

On white

12.58

#371B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#371B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B87

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B87	#FFFFFF	#000000	##FFFFFF
##371B87	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368A

Deuteranopia (green-blind)

#003085

Tritanopia (blue-blind)

#0C3A51

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #371b87;
/* rgb */ color: rgb(55, 27, 135);
/* oklch */ color: oklch(34.1% 0.165 285.6);

Tailwind

colors: {
  custom: {
    50: '#785bab',
    500: '#371b87',
    950: '#000000',
  },
}

SCSS

$custom: #371b87;
$custom-light: #785bab;
$custom-dark: #000000;

JSON

{
  "hex": "#371b87",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 255.556,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.34097,
    "c": 0.16465,
    "h": 285.6
  },
  "luminance": 0.03345
}

Semantic roles & 50–950 ramp

primary

#371B87

secondary

#9BBA44

accent

#EA3EBD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #371B87

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

Preview Lab → · Contrast checker → · Palette generator →