#371FA4#371FA4

#371FA4 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.195 H 279.7°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#371FA4
RGB	rgb(55, 31, 164)
HSL	hsl(251, 68%, 38%)
HSV	hsv(251, 81%, 64%)
CMYK	cmyk(66.5%, 81.1%, 0%, 35.7%)
CIE-LAB	lab(25.17, 48.42, -66.69)
CIE-LCH	lch(25.17, 82.41, 305.98°)
OKLab	oklab(37.67% 0.0328 -0.1925)
OKLCH	oklch(37.67% 0.195 279.7)
XYZ	xyz(8.7642, 4.4718, 35.5161)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371FA4 #8CA41F

analogous

#1F49A4 #371FA4 #791FA4

triadic

#371FA4 #A4371F #1FA437

tetradic

#371FA4 #A41F49 #8CA41F #1FA479

square

#371FA4 #A41F49 #8CA41F #1FA479

split-complementary

#371FA4 #A4791F #49A41F

monochromatic

#140C3D #261571 #371FA4 #492AD7 #755DE0

Accessibility & contrast

On white

11.08

#371FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#371FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371FA4

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371FA4	#FFFFFF	#000000	##FFFFFF
##371FA4	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A8

Deuteranopia (green-blind)

#0036A2

Tritanopia (blue-blind)

#004862

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #371fa4;
/* rgb */ color: rgb(55, 31, 164);
/* oklch */ color: oklch(37.7% 0.195 279.7);

Tailwind

colors: {
  custom: {
    50: '#7e5fc0',
    500: '#371fa4',
    950: '#000000',
  },
}

SCSS

$custom: #371fa4;
$custom-light: #7e5fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#371fa4",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 164
  },
  "hsl": {
    "h": 250.827,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37668,
    "c": 0.19532,
    "h": 279.7
  },
  "luminance": 0.04473
}

Semantic roles & 50–950 ramp

primary

#371FA4

secondary

#B1C55A

accent

#EB3DCC

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371FA4

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

Preview Lab → · Contrast checker → · Palette generator →