#331778#331778

#331778 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.6% C 0.151 H 287.5°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#331778
RGB	rgb(51, 23, 120)
HSL	hsl(257, 68%, 28%)
HSV	hsv(257, 81%, 47%)
CMYK	cmyk(57.5%, 80.8%, 0%, 52.9%)
CIE-LAB	lab(18.68, 38.62, -50.00)
CIE-LCH	lch(18.68, 63.18, 307.68°)
OKLab	oklab(31.64% 0.0453 -0.1439)
OKLCH	oklch(31.64% 0.151 287.5)
XYZ	xyz(5.0608, 2.6724, 18.0148)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331778 #5C7817

analogous

#172B78 #331778 #631778

triadic

#331778 #783317 #177833

tetradic

#331778 #78172B #5C7817 #177863

square

#331778 #78172B #5C7817 #177863

split-complementary

#331778 #786317 #2B7817

monochromatic

#0B051A #1D0D45 #331778 #4921AB #6232D8

Accessibility & contrast

On white

13.68

#331778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#331778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331778

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331778	#FFFFFF	#000000	##FFFFFF
##331778	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307B

Deuteranopia (green-blind)

#002B76

Tritanopia (blue-blind)

#153347

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331778;
/* rgb */ color: rgb(51, 23, 120);
/* oklch */ color: oklch(31.6% 0.151 287.5);

Tailwind

colors: {
  custom: {
    50: '#7458a0',
    500: '#331778',
    950: '#000000',
  },
}

SCSS

$custom: #331778;
$custom-light: #7458a0;
$custom-dark: #000000;

JSON

{
  "hex": "#331778",
  "rgb": {
    "r": 51,
    "g": 23,
    "b": 120
  },
  "hsl": {
    "h": 257.32,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31641,
    "c": 0.15088,
    "h": 287.5
  },
  "luminance": 0.02673
}

Semantic roles & 50–950 ramp

primary

#331778

secondary

#8DAD3E

accent

#EB3DB9

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09030F

muted

#7B787F

Preview Lab

Preview with #331778

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

Preview Lab → · Contrast checker → · Palette generator →