#331556#331556

#331556 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 28.1% C 0.111 H 300.4°. Best body text is #FFFFFF at 15.19:1 contrast (WCAG AA passes).

Color values

HEX	#331556
RGB	rgb(51, 21, 86)
HSL	hsl(268, 61%, 21%)
HSV	hsv(268, 76%, 34%)
CMYK	cmyk(40.7%, 75.6%, 0%, 66.3%)
CIE-LAB	lab(15.02, 29.62, -33.63)
CIE-LCH	lch(15.02, 44.82, 311.38°)
OKLab	oklab(28.05% 0.0563 -0.0959)
OKLCH	oklch(28.05% 0.111 300.4)
XYZ	xyz(3.3127, 1.9120, 8.9968)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331556 #385615

analogous

#151756 #331556 #531556

triadic

#331556 #563315 #155633

tetradic

#331556 #561517 #385615 #155653

square

#331556 #561517 #385615 #155653

split-complementary

#331556 #565315 #175615

monochromatic

#0F0619 #160925 #331556 #502187 #6D2DB8

Accessibility & contrast

On white

15.19

#331556 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#331556 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331556

15.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331556	#FFFFFF	#000000	##FFFFFF
##331556	1.00	15.19	1.38	15.19
#FFFFFF	15.19	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002558

Deuteranopia (green-blind)

#002555

Tritanopia (blue-blind)

#2B2533

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #331556;
/* rgb */ color: rgb(51, 21, 86);
/* oklch */ color: oklch(28.1% 0.111 300.4);

Tailwind

colors: {
  custom: {
    50: '#6e5586',
    500: '#331556',
    950: '#000000',
  },
}

SCSS

$custom: #331556;
$custom-light: #6e5586;
$custom-dark: #000000;

JSON

{
  "hex": "#331556",
  "rgb": {
    "r": 51,
    "g": 21,
    "b": 86
  },
  "hsl": {
    "h": 267.692,
    "s": 60.748,
    "l": 20.98
  },
  "oklch": {
    "l": 0.28051,
    "c": 0.11118,
    "h": 300.4
  },
  "luminance": 0.01912
}

Semantic roles & 50–950 ramp

primary

#331556

secondary

#678E39

accent

#E4449A

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #331556

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

Preview Lab → · Contrast checker → · Palette generator →