#391BA8#391BA8

#391BA8 is a dark, highly saturated violet. Relative luminance 0.045; OKLCH L 37.9% C 0.203 H 280.4°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#391BA8
RGB	rgb(57, 27, 168)
HSL	hsl(253, 72%, 38%)
HSV	hsv(253, 84%, 66%)
CMYK	cmyk(66.1%, 83.9%, 0%, 34.1%)
CIE-LAB	lab(25.20, 51.53, -69.06)
CIE-LCH	lch(25.20, 86.17, 306.73°)
OKLab	oklab(37.86% 0.0364 -0.1993)
OKLCH	oklch(37.86% 0.203 280.4)
XYZ	xyz(9.1449, 4.4801, 37.4210)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391BA8 #8AA81B

analogous

#1B43A8 #391BA8 #7F1BA8

triadic

#391BA8 #A8391B #1BA839

tetradic

#391BA8 #A81B43 #8AA81B #1BA87F

square

#391BA8 #A81B43 #8AA81B #1BA87F

split-complementary

#391BA8 #A87F1B #43A81B

monochromatic

#150A3F #271373 #391BA8 #4B24DC #7759E4

Accessibility & contrast

On white

11.07

#391BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#391BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391BA8

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391BA8	#FFFFFF	#000000	##FFFFFF
##391BA8	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004864

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #391ba8;
/* rgb */ color: rgb(57, 27, 168);
/* oklch */ color: oklch(37.9% 0.203 280.4);

Tailwind

colors: {
  custom: {
    50: '#805ec3',
    500: '#391ba8',
    950: '#000000',
  },
}

SCSS

$custom: #391ba8;
$custom-light: #805ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#391ba8",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 168
  },
  "hsl": {
    "h": 252.766,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37862,
    "c": 0.20263,
    "h": 280.4
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#391BA8

secondary

#B0C857

accent

#EF39C8

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #391BA8

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

Preview Lab → · Contrast checker → · Palette generator →