#391CA6#391CA6

#391CA6 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.200 H 280.6°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#391CA6
RGB	rgb(57, 28, 166)
HSL	hsl(253, 71%, 38%)
HSV	hsv(253, 83%, 65%)
CMYK	cmyk(65.7%, 83.1%, 0%, 34.9%)
CIE-LAB	lab(25.12, 50.54, -67.99)
CIE-LCH	lch(25.12, 84.71, 306.62°)
OKLab	oklab(37.74% 0.0367 -0.1962)
OKLCH	oklch(37.74% 0.2 280.6)
XYZ	xyz(8.9834, 4.4528, 36.4551)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391CA6 #89A61C

analogous

#1C44A6 #391CA6 #7E1CA6

triadic

#391CA6 #A6391C #1CA639

tetradic

#391CA6 #A61C44 #89A61C #1CA67E

square

#391CA6 #A61C44 #89A61C #1CA67E

split-complementary

#391CA6 #A67E1C #44A61C

monochromatic

#150A3D #271372 #391CA6 #4B25DA #7659E3

Accessibility & contrast

On white

11.11

#391CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#391CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391CA6

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391CA6	#FFFFFF	#000000	##FFFFFF
##391CA6	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AA

Deuteranopia (green-blind)

#0036A4

Tritanopia (blue-blind)

#004763

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #391ca6;
/* rgb */ color: rgb(57, 28, 166);
/* oklch */ color: oklch(37.7% 0.200 280.6);

Tailwind

colors: {
  custom: {
    50: '#7f5ec2',
    500: '#391ca6',
    950: '#000000',
  },
}

SCSS

$custom: #391ca6;
$custom-light: #7f5ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#391ca6",
  "rgb": {
    "r": 57,
    "g": 28,
    "b": 166
  },
  "hsl": {
    "h": 252.609,
    "s": 71.134,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37737,
    "c": 0.19963,
    "h": 280.6
  },
  "luminance": 0.04454
}

Semantic roles & 50–950 ramp

primary

#391CA6

secondary

#AFC757

accent

#EE3AC8

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #391CA6

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

Preview Lab → · Contrast checker → · Palette generator →