#331780#331780

#331780 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.5% C 0.160 H 285.4°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#331780
RGB	rgb(51, 23, 128)
HSL	hsl(256, 70%, 30%)
HSV	hsv(256, 82%, 50%)
CMYK	cmyk(60.2%, 82%, 0%, 49.8%)
CIE-LAB	lab(19.54, 41.00, -53.69)
CIE-LCH	lch(19.54, 67.56, 307.37°)
OKLab	oklab(32.49% 0.0427 -0.1547)
OKLCH	oklch(32.49% 0.16 285.4)
XYZ	xyz(5.5667, 2.8748, 20.6794)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331780 #648017

analogous

#173080 #331780 #681780

triadic

#331780 #803317 #178033

tetradic

#331780 #801730 #648017 #178068

square

#331780 #801730 #648017 #178068

split-complementary

#331780 #806817 #308017

monochromatic

#0A051A #1E0E4C #331780 #4820B4 #6236DB

Accessibility & contrast

On white

13.33

#331780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#331780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331780

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331780	#FFFFFF	#000000	##FFFFFF
##331780	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003283

Deuteranopia (green-blind)

#002C7E

Tritanopia (blue-blind)

#08364C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #331780;
/* rgb */ color: rgb(51, 23, 128);
/* oklch */ color: oklch(32.5% 0.160 285.4);

Tailwind

colors: {
  custom: {
    50: '#7559a6',
    500: '#331780',
    950: '#000000',
  },
}

SCSS

$custom: #331780;
$custom-light: #7559a6;
$custom-dark: #000000;

JSON

{
  "hex": "#331780",
  "rgb": {
    "r": 51,
    "g": 23,
    "b": 128
  },
  "hsl": {
    "h": 256,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.32491,
    "c": 0.16048,
    "h": 285.4
  },
  "luminance": 0.02875
}

Semantic roles & 50–950 ramp

primary

#331780

secondary

#95B43E

accent

#EC3BBD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331780

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

Preview Lab → · Contrast checker → · Palette generator →