#331357#331357

#331357 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.9% C 0.115 H 300.5°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#331357
RGB	rgb(51, 19, 87)
HSL	hsl(268, 64%, 21%)
HSV	hsv(268, 78%, 34%)
CMYK	cmyk(41.4%, 78.2%, 0%, 65.9%)
CIE-LAB	lab(14.72, 30.99, -34.79)
CIE-LCH	lch(14.72, 46.59, 311.70°)
OKLab	oklab(27.87% 0.0584 -0.0993)
OKLCH	oklch(27.87% 0.115 300.5)
XYZ	xyz(3.3180, 1.8576, 9.1987)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331357 #375713

analogous

#131557 #331357 #551357

triadic

#331357 #573313 #135733

tetradic

#331357 #571315 #375713 #135755

square

#331357 #571315 #375713 #135755

split-complementary

#331357 #575513 #155713

monochromatic

#0F0519 #160825 #331357 #501E89 #6E29BB

Accessibility & contrast

On white

15.31

#331357 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#331357 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331357

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331357	#FFFFFF	#000000	##FFFFFF
##331357	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002559

Deuteranopia (green-blind)

#002556

Tritanopia (blue-blind)

#2B2433

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #331357;
/* rgb */ color: rgb(51, 19, 87);
/* oklch */ color: oklch(27.9% 0.115 300.5);

Tailwind

colors: {
  custom: {
    50: '#6f5487',
    500: '#331357',
    950: '#000000',
  },
}

SCSS

$custom: #331357;
$custom-light: #6f5487;
$custom-dark: #000000;

JSON

{
  "hex": "#331357",
  "rgb": {
    "r": 51,
    "g": 19,
    "b": 87
  },
  "hsl": {
    "h": 268.235,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.27868,
    "c": 0.11515,
    "h": 300.5
  },
  "luminance": 0.01858
}

Semantic roles & 50–950 ramp

primary

#331357

secondary

#668F36

accent

#E74199

background

#F6F4F8

surface

#ECE8EF

border

#C7C4CA

text

#08030B

muted

#7B787C

Preview Lab

Preview with #331357

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

Preview Lab → · Contrast checker → · Palette generator →