#331680#331680

#331680 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.4% C 0.161 H 285.6°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#331680
RGB	rgb(51, 22, 128)
HSL	hsl(256, 71%, 29%)
HSV	hsv(256, 83%, 50%)
CMYK	cmyk(60.2%, 82.8%, 0%, 49.8%)
CIE-LAB	lab(19.37, 41.47, -53.96)
CIE-LCH	lch(19.37, 68.06, 307.55°)
OKLab	oklab(32.38% 0.0433 -0.1555)
OKLCH	oklch(32.38% 0.161 285.6)
XYZ	xyz(5.5473, 2.8358, 20.6729)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331680 #638016

analogous

#162E80 #331680 #681680

triadic

#331680 #803316 #168033

tetradic

#331680 #80162E #638016 #168068

square

#331680 #80162E #638016 #168068

split-complementary

#331680 #806816 #2E8016

monochromatic

#0A041A #1E0D4C #331680 #481FB4 #6234DC

Accessibility & contrast

On white

13.40

#331680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#331680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331680

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331680	#FFFFFF	#000000	##FFFFFF
##331680	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003283

Deuteranopia (green-blind)

#002C7E

Tritanopia (blue-blind)

#08364B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331680;
/* rgb */ color: rgb(51, 22, 128);
/* oklch */ color: oklch(32.4% 0.161 285.6);

Tailwind

colors: {
  custom: {
    50: '#7558a6',
    500: '#331680',
    950: '#000000',
  },
}

SCSS

$custom: #331680;
$custom-light: #7558a6;
$custom-dark: #000000;

JSON

{
  "hex": "#331680",
  "rgb": {
    "r": 51,
    "g": 22,
    "b": 128
  },
  "hsl": {
    "h": 256.415,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.3238,
    "c": 0.16139,
    "h": 285.6
  },
  "luminance": 0.02836
}

Semantic roles & 50–950 ramp

primary

#331680

secondary

#94B53D

accent

#ED3ABC

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #331680

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

Preview Lab → · Contrast checker → · Palette generator →