#331559#331559

#331559 is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.3% C 0.115 H 299.0°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#331559
RGB	rgb(51, 21, 89)
HSL	hsl(266, 62%, 22%)
HSV	hsv(266, 76%, 35%)
CMYK	cmyk(42.7%, 76.4%, 0%, 65.1%)
CIE-LAB	lab(15.28, 30.49, -35.22)
CIE-LCH	lch(15.28, 46.58, 310.88°)
OKLab	oklab(28.32% 0.0557 -0.1006)
OKLCH	oklch(28.32% 0.115 299)
XYZ	xyz(3.4361, 1.9614, 9.6468)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.16

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331559 #3B5915

analogous

#151959 #331559 #551559

triadic

#331559 #593315 #155933

tetradic

#331559 #591519 #3B5915 #155955

square

#331559 #591519 #3B5915 #155955

split-complementary

#331559 #595515 #195915

monochromatic

#0E0619 #170927 #331559 #4F218B #6C2CBC

Accessibility & contrast

On white

15.08

#331559 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#331559 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331559

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331559	#FFFFFF	#000000	##FFFFFF
##331559	1.00	15.08	1.39	15.08
#FFFFFF	15.08	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265B

Deuteranopia (green-blind)

#002658

Tritanopia (blue-blind)

#2A2635

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331559;
/* rgb */ color: rgb(51, 21, 89);
/* oklch */ color: oklch(28.3% 0.115 299.0);

Tailwind

colors: {
  custom: {
    50: '#6f5588',
    500: '#331559',
    950: '#000000',
  },
}

SCSS

$custom: #331559;
$custom-light: #6f5588;
$custom-dark: #000000;

JSON

{
  "hex": "#331559",
  "rgb": {
    "r": 51,
    "g": 21,
    "b": 89
  },
  "hsl": {
    "h": 266.471,
    "s": 61.818,
    "l": 21.569
  },
  "oklch": {
    "l": 0.28322,
    "c": 0.11496,
    "h": 299
  },
  "luminance": 0.01961
}

Semantic roles & 50–950 ramp

primary

#331559

secondary

#6A9139

accent

#E5439D

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08030B

muted

#7B787C

Preview Lab

Preview with #331559

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

Preview Lab → · Contrast checker → · Palette generator →