#391F88#391F88

#391F88 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.162 H 285.8°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#391F88
RGB	rgb(57, 31, 136)
HSL	hsl(255, 63%, 33%)
HSV	hsv(255, 77%, 53%)
CMYK	cmyk(58.1%, 77.2%, 0%, 46.7%)
CIE-LAB	lab(22.40, 40.21, -54.00)
CIE-LCH	lch(22.40, 67.33, 306.67°)
OKLab	oklab(34.89% 0.0441 -0.1555)
OKLCH	oklch(34.89% 0.162 285.8)
XYZ	xyz(6.6199, 3.6270, 23.6390)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F88 #6E881F

analogous

#1F3A88 #391F88 #6D1F88

triadic

#391F88 #88391F #1F8839

tetradic

#391F88 #881F3A #6E881F #1F886D

square

#391F88 #881F3A #6E881F #1F886D

split-complementary

#391F88 #886D1F #3A881F

monochromatic

#0F0824 #241456 #391F88 #4E2ABA #6E4BD6

Accessibility & contrast

On white

12.17

#391F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#391F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F88

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F88	#FFFFFF	#000000	##FFFFFF
##391F88	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388B

Deuteranopia (green-blind)

#003286

Tritanopia (blue-blind)

#133C52

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #391f88;
/* rgb */ color: rgb(57, 31, 136);
/* oklch */ color: oklch(34.9% 0.162 285.8);

Tailwind

colors: {
  custom: {
    50: '#795eac',
    500: '#391f88',
    950: '#000000',
  },
}

SCSS

$custom: #391f88;
$custom-light: #795eac;
$custom-dark: #000000;

JSON

{
  "hex": "#391f88",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 136
  },
  "hsl": {
    "h": 254.857,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34893,
    "c": 0.16162,
    "h": 285.8
  },
  "luminance": 0.03627
}

Semantic roles & 50–950 ramp

primary

#391F88

secondary

#9DB94A

accent

#E642BD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391F88

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

Preview Lab → · Contrast checker → · Palette generator →