#331580#331580

#331580 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.3% C 0.162 H 285.7°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#331580
RGB	rgb(51, 21, 128)
HSL	hsl(257, 72%, 29%)
HSV	hsv(257, 84%, 50%)
CMYK	cmyk(60.2%, 83.6%, 0%, 49.8%)
CIE-LAB	lab(19.22, 41.93, -54.22)
CIE-LCH	lch(19.22, 68.54, 307.72°)
OKLab	oklab(32.27% 0.044 -0.1562)
OKLCH	oklch(32.27% 0.162 285.7)
XYZ	xyz(5.5285, 2.7983, 20.6667)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331580 #628015

analogous

#152D80 #331580 #691580

triadic

#331580 #803315 #158033

tetradic

#331580 #80152D #628015 #158069

square

#331580 #80152D #628015 #158069

split-complementary

#331580 #806915 #2D8015

monochromatic

#0A041A #1E0C4B #331580 #481EB5 #6232DD

Accessibility & contrast

On white

13.46

#331580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#331580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331580

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331580	#FFFFFF	#000000	##FFFFFF
##331580	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003183

Deuteranopia (green-blind)

#002B7E

Tritanopia (blue-blind)

#08364B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331580;
/* rgb */ color: rgb(51, 21, 128);
/* oklch */ color: oklch(32.3% 0.162 285.7);

Tailwind

colors: {
  custom: {
    50: '#7558a6',
    500: '#331580',
    950: '#000000',
  },
}

SCSS

$custom: #331580;
$custom-light: #7558a6;
$custom-dark: #000000;

JSON

{
  "hex": "#331580",
  "rgb": {
    "r": 51,
    "g": 21,
    "b": 128
  },
  "hsl": {
    "h": 256.822,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32271,
    "c": 0.16227,
    "h": 285.7
  },
  "luminance": 0.02799
}

Semantic roles & 50–950 ramp

primary

#331580

secondary

#93B53C

accent

#EF39BC

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #331580

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

Preview Lab → · Contrast checker → · Palette generator →