#371FA8#371FA8

#371FA8 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.1% C 0.200 H 279.1°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#371FA8
RGB	rgb(55, 31, 168)
HSL	hsl(251, 69%, 39%)
HSV	hsv(251, 82%, 66%)
CMYK	cmyk(67.3%, 81.5%, 0%, 34.1%)
CIE-LAB	lab(25.62, 49.61, -68.37)
CIE-LCH	lch(25.62, 84.47, 305.96°)
OKLab	oklab(38.11% 0.0316 -0.1974)
OKLCH	oklch(38.11% 0.2 279.1)
XYZ	xyz(9.1312, 4.6186, 37.4485)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371FA8 #90A81F

analogous

#1F4CA8 #371FA8 #7C1FA8

triadic

#371FA8 #A8371F #1FA837

tetradic

#371FA8 #A81F4C #90A81F #1FA87C

square

#371FA8 #A81F4C #90A81F #1FA87C

split-complementary

#371FA8 #A87C1F #4CA81F

monochromatic

#150C41 #261574 #371FA8 #4A2CD8 #7760E2

Accessibility & contrast

On white

10.92

#371FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#371FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371FA8

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371FA8	#FFFFFF	#000000	##FFFFFF
##371FA8	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AC

Deuteranopia (green-blind)

#0037A6

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #371fa8;
/* rgb */ color: rgb(55, 31, 168);
/* oklch */ color: oklch(38.1% 0.200 279.1);

Tailwind

colors: {
  custom: {
    50: '#7f60c3',
    500: '#371fa8',
    950: '#000000',
  },
}

SCSS

$custom: #371fa8;
$custom-light: #7f60c3;
$custom-dark: #000000;

JSON

{
  "hex": "#371fa8",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 168
  },
  "hsl": {
    "h": 250.511,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38107,
    "c": 0.19995,
    "h": 279.1
  },
  "luminance": 0.04619
}

Semantic roles & 50–950 ramp

primary

#371FA8

secondary

#B4C65D

accent

#EC3CCD

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #371FA8

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

Preview Lab → · Contrast checker → · Palette generator →