#371CA1#371CA1

#371CA1 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.0% C 0.194 H 280.5°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#371CA1
RGB	rgb(55, 28, 161)
HSL	hsl(252, 70%, 37%)
HSV	hsv(252, 83%, 63%)
CMYK	cmyk(65.8%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(24.37, 48.90, -66.19)
CIE-LCH	lch(24.37, 82.29, 306.45°)
OKLab	oklab(37.01% 0.0352 -0.191)
OKLCH	oklch(37.01% 0.194 280.5)
XYZ	xyz(8.4218, 4.2153, 34.0811)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371CA1 #86A11C

analogous

#1C44A1 #371CA1 #791CA1

triadic

#371CA1 #A1371C #1CA137

tetradic

#371CA1 #A11C44 #86A11C #1CA179

square

#371CA1 #A11C44 #86A11C #1CA179

split-complementary

#371CA1 #A1791C #44A11C

monochromatic

#130A39 #25136D #371CA1 #4925D5 #7256E2

Accessibility & contrast

On white

11.39

#371CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#371CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371CA1

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371CA1	#FFFFFF	#000000	##FFFFFF
##371CA1	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #371ca1;
/* rgb */ color: rgb(55, 28, 161);
/* oklch */ color: oklch(37.0% 0.194 280.5);

Tailwind

colors: {
  custom: {
    50: '#7d5ebe',
    500: '#371ca1',
    950: '#000000',
  },
}

SCSS

$custom: #371ca1;
$custom-light: #7d5ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#371ca1",
  "rgb": {
    "r": 55,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 252.18,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37014,
    "c": 0.19427,
    "h": 280.5
  },
  "luminance": 0.04216
}

Semantic roles & 50–950 ramp

primary

#371CA1

secondary

#AEC554

accent

#ED3BC9

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371CA1

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

Preview Lab → · Contrast checker → · Palette generator →