#391F9D#391F9D

#391F9D is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.187 H 281.7°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#391F9D
RGB	rgb(57, 31, 157)
HSL	hsl(252, 67%, 37%)
HSV	hsv(252, 80%, 62%)
CMYK	cmyk(63.7%, 80.3%, 0%, 38.4%)
CIE-LAB	lab(24.59, 46.54, -63.38)
CIE-LCH	lch(24.59, 78.63, 306.29°)
OKLab	oklab(37.08% 0.038 -0.1829)
OKLCH	oklch(37.08% 0.187 281.7)
XYZ	xyz(8.2612, 4.2835, 32.2832)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391F9D #839D1F

analogous

#1F449D #391F9D #781F9D

triadic

#391F9D #9D391F #1F9D39

tetradic

#391F9D #9D1F44 #839D1F #1F9D78

square

#391F9D #9D1F44 #839D1F #1F9D78

split-complementary

#391F9D #9D781F #449D1F

monochromatic

#140B37 #26156A #391F9D #4C29D0 #7458DE

Accessibility & contrast

On white

11.31

#391F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#391F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391F9D

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391F9D	#FFFFFF	#000000	##FFFFFF
##391F9D	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA0

Deuteranopia (green-blind)

#00369B

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #391f9d;
/* rgb */ color: rgb(57, 31, 157);
/* oklch */ color: oklch(37.1% 0.187 281.7);

Tailwind

colors: {
  custom: {
    50: '#7d5fbb',
    500: '#391f9d',
    950: '#000000',
  },
}

SCSS

$custom: #391f9d;
$custom-light: #7d5fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#391f9d",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 157
  },
  "hsl": {
    "h": 252.381,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37079,
    "c": 0.18677,
    "h": 281.7
  },
  "luminance": 0.04284
}

Semantic roles & 50–950 ramp

primary

#391F9D

secondary

#ACC256

accent

#EA3EC6

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391F9D

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

Preview Lab → · Contrast checker → · Palette generator →