#391BA1#391BA1

#391BA1 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.1% C 0.195 H 281.5°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#391BA1
RGB	rgb(57, 27, 161)
HSL	hsl(253, 71%, 37%)
HSV	hsv(253, 83%, 63%)
CMYK	cmyk(64.6%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(24.41, 49.52, -66.13)
CIE-LCH	lch(24.41, 82.61, 306.83°)
OKLab	oklab(37.08% 0.0388 -0.1908)
OKLCH	oklch(37.08% 0.195 281.5)
XYZ	xyz(8.5103, 4.2263, 34.0786)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391BA1 #83A11B

analogous

#1B40A1 #391BA1 #7C1BA1

triadic

#391BA1 #A1391B #1BA139

tetradic

#391BA1 #A11B40 #83A11B #1BA17C

square

#391BA1 #A11B40 #83A11B #1BA17C

split-complementary

#391BA1 #A17C1B #40A11B

monochromatic

#140938 #26126D #391BA1 #4C24D5 #7454E2

Accessibility & contrast

On white

11.38

#391BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#391BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391BA1

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391BA1	#FFFFFF	#000000	##FFFFFF
##391BA1	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004560

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #391ba1;
/* rgb */ color: rgb(57, 27, 161);
/* oklch */ color: oklch(37.1% 0.195 281.5);

Tailwind

colors: {
  custom: {
    50: '#7e5dbe',
    500: '#391ba1',
    950: '#000000',
  },
}

SCSS

$custom: #391ba1;
$custom-light: #7e5dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#391ba1",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 253.433,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37084,
    "c": 0.19471,
    "h": 281.5
  },
  "luminance": 0.04227
}

Semantic roles & 50–950 ramp

primary

#391BA1

secondary

#ACC552

accent

#EE3AC6

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #391BA1

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

Preview Lab → · Contrast checker → · Palette generator →