#371F88#371F88

#371F88 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.7% C 0.162 H 284.7°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#371F88
RGB	rgb(55, 31, 136)
HSL	hsl(254, 63%, 33%)
HSV	hsv(254, 77%, 53%)
CMYK	cmyk(59.6%, 77.2%, 0%, 46.7%)
CIE-LAB	lab(22.19, 39.93, -54.34)
CIE-LCH	lch(22.19, 67.44, 306.30°)
OKLab	oklab(34.7% 0.041 -0.1565)
OKLCH	oklch(34.7% 0.162 284.7)
XYZ	xyz(6.5081, 3.5694, 23.6338)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371F88 #70881F

analogous

#1F3C88 #371F88 #6B1F88

triadic

#371F88 #88371F #1F8837

tetradic

#371F88 #881F3C #70881F #1F886B

square

#371F88 #881F3C #70881F #1F886B

split-complementary

#371F88 #886B1F #3C881F

monochromatic

#0F0824 #231456 #371F88 #4B2ABA #6B4BD6

Accessibility & contrast

On white

12.25

#371F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#371F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371F88

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371F88	#FFFFFF	#000000	##FFFFFF
##371F88	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388B

Deuteranopia (green-blind)

#003286

Tritanopia (blue-blind)

#0A3D52

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #371f88;
/* rgb */ color: rgb(55, 31, 136);
/* oklch */ color: oklch(34.7% 0.162 284.7);

Tailwind

colors: {
  custom: {
    50: '#785eac',
    500: '#371f88',
    950: '#000000',
  },
}

SCSS

$custom: #371f88;
$custom-light: #785eac;
$custom-dark: #000000;

JSON

{
  "hex": "#371f88",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 136
  },
  "hsl": {
    "h": 253.714,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.347,
    "c": 0.16183,
    "h": 284.7
  },
  "luminance": 0.0357
}

Semantic roles & 50–950 ramp

primary

#371F88

secondary

#9FB94A

accent

#E642C0

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #371F88

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

Preview Lab → · Contrast checker → · Palette generator →