#331B86#331B86

#331B86 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.164 H 283.5°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#331B86
RGB	rgb(51, 27, 134)
HSL	hsl(253, 66%, 32%)
HSV	hsv(253, 80%, 53%)
CMYK	cmyk(61.9%, 79.9%, 0%, 47.5%)
CIE-LAB	lab(20.86, 40.85, -55.30)
CIE-LCH	lch(20.86, 68.75, 306.46°)
OKLab	oklab(33.61% 0.0382 -0.1594)
OKLCH	oklch(33.61% 0.164 283.5)
XYZ	xyz(6.0589, 3.2085, 22.8497)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B86 #6E861B

analogous

#1B3986 #331B86 #691B86

triadic

#331B86 #86331B #1B8633

tetradic

#331B86 #861B39 #6E861B #1B8669

square

#331B86 #861B39 #6E861B #1B8669

split-complementary

#331B86 #86691B #39861B

monochromatic

#0C0620 #201153 #331B86 #4625B9 #6442D9

Accessibility & contrast

On white

12.79

#331B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#331B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B86

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B86	#FFFFFF	#000000	##FFFFFF
##331B86	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003589

Deuteranopia (green-blind)

#002F84

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #331b86;
/* rgb */ color: rgb(51, 27, 134);
/* oklch */ color: oklch(33.6% 0.164 283.5);

Tailwind

colors: {
  custom: {
    50: '#765baa',
    500: '#331b86',
    950: '#000000',
  },
}

SCSS

$custom: #331b86;
$custom-light: #765baa;
$custom-dark: #000000;

JSON

{
  "hex": "#331b86",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 134
  },
  "hsl": {
    "h": 253.458,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33607,
    "c": 0.16392,
    "h": 283.5
  },
  "luminance": 0.03209
}

Semantic roles & 50–950 ramp

primary

#331B86

secondary

#9FB944

accent

#E93EC3

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #331B86

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

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