#331881#331881

#331881 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.7% C 0.161 H 285.0°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#331881
RGB	rgb(51, 24, 129)
HSL	hsl(255, 69%, 30%)
HSV	hsv(255, 81%, 51%)
CMYK	cmyk(60.5%, 81.4%, 0%, 49.4%)
CIE-LAB	lab(19.81, 40.82, -53.88)
CIE-LCH	lch(19.81, 67.60, 307.15°)
OKLab	oklab(32.71% 0.0417 -0.1552)
OKLCH	oklch(32.71% 0.161 285)
XYZ	xyz(5.6531, 2.9417, 21.0345)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331881 #668118

analogous

#183181 #331881 #681881

triadic

#331881 #813318 #188133

tetradic

#331881 #811831 #668118 #188168

square

#331881 #811831 #668118 #188168

split-complementary

#331881 #816818 #318118

monochromatic

#0A051A #1F0E4D #331881 #4722B5 #6339DA

Accessibility & contrast

On white

13.22

#331881 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#331881 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331881

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331881	#FFFFFF	#000000	##FFFFFF
##331881	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#002D7F

Tritanopia (blue-blind)

#05374C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331881;
/* rgb */ color: rgb(51, 24, 129);
/* oklch */ color: oklch(32.7% 0.161 285.0);

Tailwind

colors: {
  custom: {
    50: '#7559a7',
    500: '#331881',
    950: '#000000',
  },
}

SCSS

$custom: #331881;
$custom-light: #7559a7;
$custom-dark: #000000;

JSON

{
  "hex": "#331881",
  "rgb": {
    "r": 51,
    "g": 24,
    "b": 129
  },
  "hsl": {
    "h": 255.429,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.32714,
    "c": 0.16075,
    "h": 285
  },
  "luminance": 0.02942
}

Semantic roles & 50–950 ramp

primary

#331881

secondary

#97B540

accent

#EB3CBE

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331881

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

Preview Lab → · Contrast checker → · Palette generator →