#331781#331781

#331781 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.6% C 0.162 H 285.2°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#331781
RGB	rgb(51, 23, 129)
HSL	hsl(256, 70%, 30%)
HSV	hsv(256, 82%, 51%)
CMYK	cmyk(60.5%, 82.2%, 0%, 49.4%)
CIE-LAB	lab(19.64, 41.30, -54.15)
CIE-LCH	lch(19.64, 68.10, 307.33°)
OKLab	oklab(32.6% 0.0424 -0.156)
OKLCH	oklch(32.6% 0.162 285.2)
XYZ	xyz(5.6329, 2.9012, 21.0278)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331781 #658117

analogous

#173081 #331781 #681781

triadic

#331781 #813317 #178133

tetradic

#331781 #811730 #658117 #178168

square

#331781 #811730 #658117 #178168

split-complementary

#331781 #816817 #308117

monochromatic

#0A051A #1E0E4D #331781 #4820B5 #6237DB

Accessibility & contrast

On white

13.29

#331781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#331781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331781

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331781	#FFFFFF	#000000	##FFFFFF
##331781	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003284

Deuteranopia (green-blind)

#002C7F

Tritanopia (blue-blind)

#05374C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331781;
/* rgb */ color: rgb(51, 23, 129);
/* oklch */ color: oklch(32.6% 0.162 285.2);

Tailwind

colors: {
  custom: {
    50: '#7559a7',
    500: '#331781',
    950: '#000000',
  },
}

SCSS

$custom: #331781;
$custom-light: #7559a7;
$custom-dark: #000000;

JSON

{
  "hex": "#331781",
  "rgb": {
    "r": 51,
    "g": 23,
    "b": 129
  },
  "hsl": {
    "h": 255.849,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32599,
    "c": 0.16167,
    "h": 285.2
  },
  "luminance": 0.02902
}

Semantic roles & 50–950 ramp

primary

#331781

secondary

#96B53E

accent

#ED3BBE

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331781

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

Preview Lab → · Contrast checker → · Palette generator →