#391781#391781

#391781 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.2% C 0.161 H 288.9°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#391781
RGB	rgb(57, 23, 129)
HSL	hsl(259, 70%, 30%)
HSV	hsv(259, 82%, 51%)
CMYK	cmyk(55.8%, 82.2%, 0%, 49.4%)
CIE-LAB	lab(20.31, 42.07, -53.03)
CIE-LCH	lch(20.31, 67.69, 308.43°)
OKLab	oklab(33.22% 0.0522 -0.1525)
OKLCH	oklch(33.22% 0.161 288.9)
XYZ	xyz(5.9550, 3.0673, 21.0429)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391781 #5F8117

analogous

#172A81 #391781 #6E1781

triadic

#391781 #813917 #178139

tetradic

#391781 #81172A #5F8117 #17816E

square

#391781 #81172A #5F8117 #17816E

split-complementary

#391781 #816E17 #2A8117

monochromatic

#0B051A #220E4D #391781 #5020B5 #6C37DB

Accessibility & contrast

On white

13.01

#391781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#391781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391781

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391781	#FFFFFF	#000000	##FFFFFF
##391781	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#002E7F

Tritanopia (blue-blind)

#1C364C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #391781;
/* rgb */ color: rgb(57, 23, 129);
/* oklch */ color: oklch(33.2% 0.161 288.9);

Tailwind

colors: {
  custom: {
    50: '#7959a7',
    500: '#391781',
    950: '#000000',
  },
}

SCSS

$custom: #391781;
$custom-light: #7959a7;
$custom-dark: #000000;

JSON

{
  "hex": "#391781",
  "rgb": {
    "r": 57,
    "g": 23,
    "b": 129
  },
  "hsl": {
    "h": 259.245,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3322,
    "c": 0.16123,
    "h": 288.9
  },
  "luminance": 0.03068
}

Semantic roles & 50–950 ramp

primary

#391781

secondary

#8FB53E

accent

#ED3BB4

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391781

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

Preview Lab → · Contrast checker → · Palette generator →