#331B94#331B94

#331B94 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.1% C 0.181 H 280.8°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#331B94
RGB	rgb(51, 27, 148)
HSL	hsl(252, 69%, 34%)
HSV	hsv(252, 82%, 58%)
CMYK	cmyk(65.5%, 81.8%, 0%, 42%)
CIE-LAB	lab(22.39, 45.10, -61.50)
CIE-LCH	lch(22.39, 76.27, 306.26°)
OKLab	oklab(35.13% 0.0338 -0.1775)
OKLCH	oklch(35.13% 0.181 280.8)
XYZ	xyz(7.1008, 3.6252, 28.3368)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B94 #7C941B

analogous

#1B4094 #331B94 #701B94

triadic

#331B94 #94331B #1B9433

tetradic

#331B94 #941B40 #7C941B #1B9470

square

#331B94 #941B40 #7C941B #1B9470

split-complementary

#331B94 #94701B #40941B

monochromatic

#0F082C #211260 #331B94 #4524C8 #684BDE

Accessibility & contrast

On white

12.17

#331B94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#331B94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B94

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B94	#FFFFFF	#000000	##FFFFFF
##331B94	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A97

Deuteranopia (green-blind)

#003192

Tritanopia (blue-blind)

#004058

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #331b94;
/* rgb */ color: rgb(51, 27, 148);
/* oklch */ color: oklch(35.1% 0.181 280.8);

Tailwind

colors: {
  custom: {
    50: '#795cb5',
    500: '#331b94',
    950: '#000000',
  },
}

SCSS

$custom: #331b94;
$custom-light: #795cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#331b94",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 148
  },
  "hsl": {
    "h": 251.901,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35126,
    "c": 0.18068,
    "h": 280.8
  },
  "luminance": 0.03626
}

Semantic roles & 50–950 ramp

primary

#331B94

secondary

#A9C04B

accent

#EC3CC9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #331B94

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

Preview Lab → · Contrast checker → · Palette generator →