#391CA8#391CA8

#391CA8 is a dark, highly saturated violet. Relative luminance 0.045; OKLCH L 38.0% C 0.202 H 280.3°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#391CA8
RGB	rgb(57, 28, 168)
HSL	hsl(252, 71%, 38%)
HSV	hsv(252, 83%, 66%)
CMYK	cmyk(66.1%, 83.3%, 0%, 34.1%)
CIE-LAB	lab(25.34, 51.11, -68.82)
CIE-LCH	lch(25.34, 85.73, 306.60°)
OKLab	oklab(37.96% 0.036 -0.1987)
OKLCH	oklch(37.96% 0.202 280.3)
XYZ	xyz(9.1682, 4.5268, 37.4288)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391CA8 #8BA81C

analogous

#1C45A8 #391CA8 #7F1CA8

triadic

#391CA8 #A8391C #1CA839

tetradic

#391CA8 #A81C45 #8BA81C #1CA87F

square

#391CA8 #A81C45 #8BA81C #1CA87F

split-complementary

#391CA8 #A87F1C #45A81C

monochromatic

#150B3F #271374 #391CA8 #4C26DB #775BE4

Accessibility & contrast

On white

11.02

#391CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#391CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391CA8

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391CA8	#FFFFFF	#000000	##FFFFFF
##391CA8	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)

#0041AC

Deuteranopia (green-blind)

#0037A6

Tritanopia (blue-blind)

#004864

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #391ca8;
/* rgb */ color: rgb(57, 28, 168);
/* oklch */ color: oklch(38.0% 0.202 280.3);

Tailwind

colors: {
  custom: {
    50: '#805ec3',
    500: '#391ca8',
    950: '#000000',
  },
}

SCSS

$custom: #391ca8;
$custom-light: #805ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#391ca8",
  "rgb": {
    "r": 57,
    "g": 28,
    "b": 168
  },
  "hsl": {
    "h": 252.429,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37959,
    "c": 0.20189,
    "h": 280.3
  },
  "luminance": 0.04528
}

Semantic roles & 50–950 ramp

primary

#391CA8

secondary

#B0C758

accent

#EE3AC9

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #391CA8

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

Preview Lab → · Contrast checker → · Palette generator →