#391FA4#391FA4

#391FA4 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.195 H 280.6°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#391FA4
RGB	rgb(57, 31, 164)
HSL	hsl(252, 68%, 38%)
HSV	hsv(252, 81%, 64%)
CMYK	cmyk(65.2%, 81.1%, 0%, 35.7%)
CIE-LAB	lab(25.35, 48.61, -66.39)
CIE-LCH	lch(25.35, 82.28, 306.21°)
OKLab	oklab(37.83% 0.0358 -0.1916)
OKLCH	oklch(37.83% 0.195 280.6)
XYZ	xyz(8.8760, 4.5295, 35.5213)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391FA4 #8AA41F

analogous

#1F48A4 #391FA4 #7B1FA4

triadic

#391FA4 #A4391F #1FA439

tetradic

#391FA4 #A41F48 #8AA41F #1FA47B

square

#391FA4 #A41F48 #8AA41F #1FA47B

split-complementary

#391FA4 #A47B1F #48A41F

monochromatic

#150C3D #271571 #391FA4 #4B2AD7 #775DE0

Accessibility & contrast

On white

11.02

#391FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#391FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391FA4

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391FA4	#FFFFFF	#000000	##FFFFFF
##391FA4	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A8

Deuteranopia (green-blind)

#0037A2

Tritanopia (blue-blind)

#004862

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #391fa4;
/* rgb */ color: rgb(57, 31, 164);
/* oklch */ color: oklch(37.8% 0.195 280.6);

Tailwind

colors: {
  custom: {
    50: '#7f60c0',
    500: '#391fa4',
    950: '#000000',
  },
}

SCSS

$custom: #391fa4;
$custom-light: #7f60c0;
$custom-dark: #000000;

JSON

{
  "hex": "#391fa4",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 164
  },
  "hsl": {
    "h": 251.729,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37834,
    "c": 0.19494,
    "h": 280.6
  },
  "luminance": 0.0453
}

Semantic roles & 50–950 ramp

primary

#391FA4

secondary

#B0C55A

accent

#EB3DC9

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391FA4

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

Preview Lab → · Contrast checker → · Palette generator →