#391F8A#391F8A

#391F8A is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.1% C 0.164 H 285.4°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#391F8A
RGB	rgb(57, 31, 138)
HSL	hsl(255, 63%, 33%)
HSV	hsv(255, 78%, 54%)
CMYK	cmyk(58.7%, 77.5%, 0%, 45.9%)
CIE-LAB	lab(22.60, 40.82, -54.92)
CIE-LCH	lch(22.60, 68.43, 306.62°)
OKLab	oklab(35.1% 0.0436 -0.1582)
OKLCH	oklch(35.1% 0.164 285.4)
XYZ	xyz(6.7634, 3.6844, 24.3946)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F8A #708A1F

analogous

#1F3B8A #391F8A #6E1F8A

triadic

#391F8A #8A391F #1F8A39

tetradic

#391F8A #8A1F3B #708A1F #1F8A6E

square

#391F8A #8A1F3B #708A1F #1F8A6E

split-complementary

#391F8A #8A6E1F #3B8A1F

monochromatic

#100926 #241458 #391F8A #4E2ABC #6E4CD7

Accessibility & contrast

On white

12.09

#391F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#391F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F8A

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F8A	#FFFFFF	#000000	##FFFFFF
##391F8A	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398D

Deuteranopia (green-blind)

#003388

Tritanopia (blue-blind)

#0F3D53

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #391f8a;
/* rgb */ color: rgb(57, 31, 138);
/* oklch */ color: oklch(35.1% 0.164 285.4);

Tailwind

colors: {
  custom: {
    50: '#7a5ead',
    500: '#391f8a',
    950: '#000000',
  },
}

SCSS

$custom: #391f8a;
$custom-light: #7a5ead;
$custom-dark: #000000;

JSON

{
  "hex": "#391f8a",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 138
  },
  "hsl": {
    "h": 254.579,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35096,
    "c": 0.16406,
    "h": 285.4
  },
  "luminance": 0.03685
}

Semantic roles & 50–950 ramp

primary

#391F8A

secondary

#9FBA4B

accent

#E641BE

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391F8A

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

Preview Lab → · Contrast checker → · Palette generator →