#331055#331055

#331055 is a dark, moderate violet. Relative luminance 0.017; OKLCH L 27.3% C 0.117 H 302.2°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#331055
RGB	rgb(51, 16, 85)
HSL	hsl(270, 68%, 20%)
HSV	hsv(270, 81%, 33%)
CMYK	cmyk(40%, 81.2%, 0%, 66.7%)
CIE-LAB	lab(14.00, 31.96, -34.61)
CIE-LCH	lch(14.00, 47.10, 312.72°)
OKLab	oklab(27.3% 0.0621 -0.0987)
OKLCH	oklch(27.3% 0.117 302.2)
XYZ	xyz(3.1898, 1.7303, 8.7585)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331055 #325510

analogous

#111055 #331055 #551055

triadic

#331055 #553310 #105533

tetradic

#331055 #551110 #325510 #105555

square

#331055 #551110 #325510 #105555

split-complementary

#331055 #555510 #105511

monochromatic

#0F051A #140621 #331055 #521A89 #7123BC

Accessibility & contrast

On white

15.60

#331055 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#331055 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331055

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331055	#FFFFFF	#000000	##FFFFFF
##331055	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002357

Deuteranopia (green-blind)

#002354

Tritanopia (blue-blind)

#2C2232

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #331055;
/* rgb */ color: rgb(51, 16, 85);
/* oklch */ color: oklch(27.3% 0.117 302.2);

Tailwind

colors: {
  custom: {
    50: '#6f5285',
    500: '#331055',
    950: '#000000',
  },
}

SCSS

$custom: #331055;
$custom-light: #6f5285;
$custom-dark: #000000;

JSON

{
  "hex": "#331055",
  "rgb": {
    "r": 51,
    "g": 16,
    "b": 85
  },
  "hsl": {
    "h": 270.435,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.27303,
    "c": 0.1166,
    "h": 302.2
  },
  "luminance": 0.0173
}

Semantic roles & 50–950 ramp

primary

#331055

secondary

#608F32

accent

#EB3D93

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #331055

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

Preview Lab → · Contrast checker → · Palette generator →