#371F9E#371F9E

#371F9E is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.188 H 280.6°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#371F9E
RGB	rgb(55, 31, 158)
HSL	hsl(251, 67%, 37%)
HSV	hsv(251, 80%, 62%)
CMYK	cmyk(65.2%, 80.4%, 0%, 38%)
CIE-LAB	lab(24.51, 46.62, -64.12)
CIE-LCH	lch(24.51, 79.28, 306.02°)
OKLab	oklab(37.02% 0.0347 -0.1851)
OKLCH	oklch(37.02% 0.188 280.6)
XYZ	xyz(8.2351, 4.2602, 32.7294)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371F9E #869E1F

analogous

#1F469E #371F9E #771F9E

triadic

#371F9E #9E371F #1F9E37

tetradic

#371F9E #9E1F46 #869E1F #1F9E77

square

#371F9E #9E1F46 #869E1F #1F9E77

split-complementary

#371F9E #9E771F #469E1F

monochromatic

#130B38 #25156B #371F9E #4929D1 #7259DE

Accessibility & contrast

On white

11.34

#371F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#371F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371F9E

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371F9E	#FFFFFF	#000000	##FFFFFF
##371F9E	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA2

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #371f9e;
/* rgb */ color: rgb(55, 31, 158);
/* oklch */ color: oklch(37.0% 0.188 280.6);

Tailwind

colors: {
  custom: {
    50: '#7d5fbc',
    500: '#371f9e',
    950: '#000000',
  },
}

SCSS

$custom: #371f9e;
$custom-light: #7d5fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#371f9e",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 251.339,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37015,
    "c": 0.1883,
    "h": 280.6
  },
  "luminance": 0.04261
}

Semantic roles & 50–950 ramp

primary

#371F9E

secondary

#AEC256

accent

#EA3ECA

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371F9E

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

Preview Lab → · Contrast checker → · Palette generator →