#331A66#331A66

#331A66 is a dark, vivid violet. Relative luminance 0.024; OKLCH L 30.2% C 0.125 H 292.4°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#331A66
RGB	rgb(51, 26, 102)
HSL	hsl(260, 59%, 25%)
HSV	hsv(260, 75%, 40%)
CMYK	cmyk(50%, 74.5%, 0%, 60%)
CIE-LAB	lab(17.47, 31.55, -40.31)
CIE-LCH	lch(17.47, 51.19, 308.05°)
OKLab	oklab(30.24% 0.0475 -0.1155)
OKLCH	oklch(30.24% 0.125 292.4)
XYZ	xyz(4.1322, 2.4018, 12.8137)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331A66 #4D661A

analogous

#1A2766 #331A66 #591A66

triadic

#331A66 #66331A #1A6633

tetradic

#331A66 #661A27 #4D661A #1A6659

square

#331A66 #661A27 #4D661A #1A6659

split-complementary

#331A66 #66591A #27661A

monochromatic

#0C0618 #1B0E35 #331A66 #4B2697 #6433C8

Accessibility & contrast

On white

14.19

#331A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#331A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331A66

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331A66	#FFFFFF	#000000	##FFFFFF
##331A66	1.00	14.19	1.48	14.19
#FFFFFF	14.19	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C68

Deuteranopia (green-blind)

#002965

Tritanopia (blue-blind)

#232D3E

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #331a66;
/* rgb */ color: rgb(51, 26, 102);
/* oklch */ color: oklch(30.2% 0.125 292.4);

Tailwind

colors: {
  custom: {
    50: '#705992',
    500: '#331a66',
    950: '#000000',
  },
}

SCSS

$custom: #331a66;
$custom-light: #705992;
$custom-dark: #000000;

JSON

{
  "hex": "#331a66",
  "rgb": {
    "r": 51,
    "g": 26,
    "b": 102
  },
  "hsl": {
    "h": 259.737,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.30244,
    "c": 0.1249,
    "h": 292.4
  },
  "luminance": 0.02402
}

Semantic roles & 50–950 ramp

primary

#331A66

secondary

#7E9C40

accent

#E345AF

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #331A66

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

Preview Lab → · Contrast checker → · Palette generator →