#391F99#391F99

#391F99 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.7% C 0.182 H 282.4°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#391F99
RGB	rgb(57, 31, 153)
HSL	hsl(253, 66%, 36%)
HSV	hsv(253, 80%, 60%)
CMYK	cmyk(62.7%, 79.7%, 0%, 40%)
CIE-LAB	lab(24.16, 45.34, -61.64)
CIE-LCH	lch(24.16, 76.52, 306.34°)
OKLab	oklab(36.65% 0.0392 -0.1778)
OKLCH	oklch(36.65% 0.182 282.4)
XYZ	xyz(7.9253, 4.1492, 30.5141)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F99 #7F991F

analogous

#1F4299 #391F99 #761F99

triadic

#391F99 #99391F #1F9939

tetradic

#391F99 #991F42 #7F991F #1F9976

square

#391F99 #991F42 #7F991F #1F9976

split-complementary

#391F99 #99761F #42991F

monochromatic

#130A33 #261566 #391F99 #4C29CC #7256DD

Accessibility & contrast

On white

11.48

#391F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#391F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F99

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F99	#FFFFFF	#000000	##FFFFFF
##391F99	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9C

Deuteranopia (green-blind)

#003597

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #391f99;
/* rgb */ color: rgb(57, 31, 153);
/* oklch */ color: oklch(36.7% 0.182 282.4);

Tailwind

colors: {
  custom: {
    50: '#7c5fb8',
    500: '#391f99',
    950: '#000000',
  },
}

SCSS

$custom: #391f99;
$custom-light: #7c5fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#391f99",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 252.787,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.36653,
    "c": 0.18206,
    "h": 282.4
  },
  "luminance": 0.0415
}

Semantic roles & 50–950 ramp

primary

#391F99

secondary

#A9C054

accent

#E93FC5

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391F99

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

Preview Lab → · Contrast checker → · Palette generator →