#331573#331573

#331573 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.9% C 0.147 H 289.3°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#331573
RGB	rgb(51, 21, 115)
HSL	hsl(259, 69%, 27%)
HSV	hsv(259, 82%, 45%)
CMYK	cmyk(55.7%, 81.7%, 0%, 54.9%)
CIE-LAB	lab(17.82, 38.11, -48.20)
CIE-LCH	lch(17.82, 61.45, 308.33°)
OKLab	oklab(30.88% 0.0484 -0.1386)
OKLCH	oklch(30.88% 0.147 289.3)
XYZ	xyz(4.7270, 2.4777, 16.4455)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 5.63

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331573 #557315

analogous

#152673 #331573 #621573

triadic

#331573 #733315 #157333

tetradic

#331573 #731526 #557315 #157362

square

#331573 #731526 #557315 #157362

split-complementary

#331573 #736215 #267315

monochromatic

#0B051A #1C0C3F #331573 #4A1EA7 #622AD8

Accessibility & contrast

On white

14.04

#331573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#331573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331573

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331573	#FFFFFF	#000000	##FFFFFF
##331573	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D76

Deuteranopia (green-blind)

#002971

Tritanopia (blue-blind)

#1A3044

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #331573;
/* rgb */ color: rgb(51, 21, 115);
/* oklch */ color: oklch(30.9% 0.147 289.3);

Tailwind

colors: {
  custom: {
    50: '#73579c',
    500: '#331573',
    950: '#000000',
  },
}

SCSS

$custom: #331573;
$custom-light: #73579c;
$custom-dark: #000000;

JSON

{
  "hex": "#331573",
  "rgb": {
    "r": 51,
    "g": 21,
    "b": 115
  },
  "hsl": {
    "h": 259.149,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.30881,
    "c": 0.14685,
    "h": 289.3
  },
  "luminance": 0.02478
}

Semantic roles & 50–950 ramp

primary

#331573

secondary

#86A93B

accent

#EC3CB4

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09030E

muted

#7B787E

Preview Lab

Preview with #331573

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

Preview Lab → · Contrast checker → · Palette generator →