#331783#331783

#331783 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.8% C 0.164 H 284.7°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#331783
RGB	rgb(51, 23, 131)
HSL	hsl(256, 70%, 30%)
HSV	hsv(256, 82%, 51%)
CMYK	cmyk(61.1%, 82.4%, 0%, 48.6%)
CIE-LAB	lab(19.86, 41.90, -55.05)
CIE-LCH	lch(19.86, 69.18, 307.27°)
OKLab	oklab(32.82% 0.0417 -0.1587)
OKLCH	oklch(32.82% 0.164 284.7)
XYZ	xyz(5.7671, 2.9549, 21.7348)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331783 #678317

analogous

#173183 #331783 #691783

triadic

#331783 #833317 #178333

tetradic

#331783 #831731 #678317 #178369

square

#331783 #831731 #678317 #178369

split-complementary

#331783 #836917 #318317

monochromatic

#0A051B #1F0E4F #331783 #4720B7 #6338DC

Accessibility & contrast

On white

13.20

#331783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#331783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331783

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331783	#FFFFFF	#000000	##FFFFFF
##331783	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003386

Deuteranopia (green-blind)

#002D81

Tritanopia (blue-blind)

#01384D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331783;
/* rgb */ color: rgb(51, 23, 131);
/* oklch */ color: oklch(32.8% 0.164 284.7);

Tailwind

colors: {
  custom: {
    50: '#7659a8',
    500: '#331783',
    950: '#000000',
  },
}

SCSS

$custom: #331783;
$custom-light: #7659a8;
$custom-dark: #000000;

JSON

{
  "hex": "#331783",
  "rgb": {
    "r": 51,
    "g": 23,
    "b": 131
  },
  "hsl": {
    "h": 255.556,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32816,
    "c": 0.16405,
    "h": 284.7
  },
  "luminance": 0.02955
}

Semantic roles & 50–950 ramp

primary

#331783

secondary

#98B73F

accent

#ED3BBF

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331783

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

Preview Lab → · Contrast checker → · Palette generator →