#371FA6#371FA6

#371FA6 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.9% C 0.198 H 279.4°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#371FA6
RGB	rgb(55, 31, 166)
HSL	hsl(251, 69%, 39%)
HSV	hsv(251, 81%, 65%)
CMYK	cmyk(66.9%, 81.3%, 0%, 34.9%)
CIE-LAB	lab(25.40, 49.01, -67.53)
CIE-LCH	lch(25.40, 83.44, 305.97°)
OKLab	oklab(37.89% 0.0322 -0.195)
OKLCH	oklch(37.89% 0.198 279.4)
XYZ	xyz(8.9463, 4.5446, 36.4747)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371FA6 #8EA61F

analogous

#1F4AA6 #371FA6 #7A1FA6

triadic

#371FA6 #A6371F #1FA637

tetradic

#371FA6 #A61F4A #8EA61F #1FA67A

square

#371FA6 #A61F4A #8EA61F #1FA67A

split-complementary

#371FA6 #A67A1F #4AA61F

monochromatic

#150C3F #261572 #371FA6 #492BD7 #765EE1

Accessibility & contrast

On white

11.00

#371FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#371FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371FA6

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371FA6	#FFFFFF	#000000	##FFFFFF
##371FA6	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AA

Deuteranopia (green-blind)

#0037A4

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #371fa6;
/* rgb */ color: rgb(55, 31, 166);
/* oklch */ color: oklch(37.9% 0.198 279.4);

Tailwind

colors: {
  custom: {
    50: '#7e60c2',
    500: '#371fa6',
    950: '#000000',
  },
}

SCSS

$custom: #371fa6;
$custom-light: #7e60c2;
$custom-dark: #000000;

JSON

{
  "hex": "#371fa6",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 166
  },
  "hsl": {
    "h": 250.667,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37887,
    "c": 0.19764,
    "h": 279.4
  },
  "luminance": 0.04545
}

Semantic roles & 50–950 ramp

primary

#371FA6

secondary

#B3C55B

accent

#EB3CCC

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #371FA6

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

Preview Lab → · Contrast checker → · Palette generator →