#391B79#391B79

#391B79 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.9% C 0.148 H 290.4°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#391B79
RGB	rgb(57, 27, 121)
HSL	hsl(259, 64%, 29%)
HSV	hsv(259, 78%, 47%)
CMYK	cmyk(52.9%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(20.18, 37.79, -48.15)
CIE-LCH	lch(20.18, 61.21, 308.13°)
OKLab	oklab(32.88% 0.0515 -0.1383)
OKLCH	oklch(32.88% 0.148 290.4)
XYZ	xyz(5.5295, 3.0340, 18.3797)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B79 #5B791B

analogous

#1B2C79 #391B79 #681B79

triadic

#391B79 #79391B #1B7939

tetradic

#391B79 #791B2C #5B791B #1B7968

square

#391B79 #791B2C #5B791B #1B7968

split-complementary

#391B79 #79681B #2C791B

monochromatic

#0C0619 #211047 #391B79 #5126AB #6C3BD3

Accessibility & contrast

On white

13.07

#391B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#391B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B79

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B79	#FFFFFF	#000000	##FFFFFF
##391B79	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327C

Deuteranopia (green-blind)

#002F77

Tritanopia (blue-blind)

#223549

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #391b79;
/* rgb */ color: rgb(57, 27, 121);
/* oklch */ color: oklch(32.9% 0.148 290.4);

Tailwind

colors: {
  custom: {
    50: '#775ba1',
    500: '#391b79',
    950: '#000000',
  },
}

SCSS

$custom: #391b79;
$custom-light: #775ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#391b79",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 259.149,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32882,
    "c": 0.14761,
    "h": 290.4
  },
  "luminance": 0.03034
}

Semantic roles & 50–950 ramp

primary

#391B79

secondary

#8BAD43

accent

#E741B2

background

#F7F5FA

surface

#EEE9F3

border

#C9C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #391B79

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

Preview Lab → · Contrast checker → · Palette generator →