#331678#331678

#331678 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.5% C 0.152 H 287.7°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#331678
RGB	rgb(51, 22, 120)
HSL	hsl(258, 69%, 28%)
HSV	hsv(258, 82%, 47%)
CMYK	cmyk(57.5%, 81.7%, 0%, 52.9%)
CIE-LAB	lab(18.51, 39.11, -50.28)
CIE-LCH	lch(18.51, 63.70, 307.87°)
OKLab	oklab(31.52% 0.0461 -0.1447)
OKLCH	oklch(31.52% 0.152 287.7)
XYZ	xyz(5.0413, 2.6334, 18.0083)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331678 #5B7816

analogous

#162A78 #331678 #641678

triadic

#331678 #783316 #167833

tetradic

#331678 #78162A #5B7816 #167864

square

#331678 #78162A #5B7816 #167864

split-complementary

#331678 #786416 #2A7816

monochromatic

#0B051A #1D0D44 #331678 #491FAC #622FD9

Accessibility & contrast

On white

13.75

#331678 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#331678 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331678

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331678	#FFFFFF	#000000	##FFFFFF
##331678	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7B

Deuteranopia (green-blind)

#002A76

Tritanopia (blue-blind)

#153347

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331678;
/* rgb */ color: rgb(51, 22, 120);
/* oklch */ color: oklch(31.5% 0.152 287.7);

Tailwind

colors: {
  custom: {
    50: '#7457a0',
    500: '#331678',
    950: '#000000',
  },
}

SCSS

$custom: #331678;
$custom-light: #7457a0;
$custom-dark: #000000;

JSON

{
  "hex": "#331678",
  "rgb": {
    "r": 51,
    "g": 22,
    "b": 120
  },
  "hsl": {
    "h": 257.755,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31523,
    "c": 0.15186,
    "h": 287.7
  },
  "luminance": 0.02634
}

Semantic roles & 50–950 ramp

primary

#331678

secondary

#8CAD3C

accent

#EC3CB8

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09030F

muted

#7B787F

Preview Lab

Preview with #331678

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

Preview Lab → · Contrast checker → · Palette generator →