#6331AD#6331AD

#6331AD is a dark, vivid violet. Relative luminance 0.079; OKLCH L 45.0% C 0.185 H 296.6°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#6331AD
RGB	rgb(99, 49, 173)
HSL	hsl(264, 56%, 44%)
HSV	hsv(264, 72%, 68%)
CMYK	cmyk(42.8%, 71.7%, 0%, 32.2%)
CIE-LAB	lab(33.70, 48.46, -57.93)
CIE-LCH	lch(33.70, 75.53, 309.92°)
OKLab	oklab(45% 0.083 -0.1656)
OKLCH	oklch(45% 0.185 296.6)
XYZ	xyz(13.7847, 7.8661, 40.3191)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6331AD #7BAD31

analogous

#313DAD #6331AD #A131AD

triadic

#6331AD #AD6331 #31AD63

tetradic

#6331AD #AD313D #7BAD31 #31ADA1

square

#6331AD #AD313D #7BAD31 #31ADA1

split-complementary

#6331AD #ADA131 #3DAD31

monochromatic

#2C164E #48237D #6331AD #814ECD #A37EDA

Accessibility & contrast

On white

8.16

#6331AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#6331AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6331AD

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6331AD	#FFFFFF	#000000	##FFFFFF
##6331AD	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B1

Deuteranopia (green-blind)

#004EAB

Tritanopia (blue-blind)

#50506C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #6331ad;
/* rgb */ color: rgb(99, 49, 173);
/* oklch */ color: oklch(45.0% 0.185 296.6);

Tailwind

colors: {
  custom: {
    50: '#966dc6',
    500: '#6331ad',
    950: '#000000',
  },
}

SCSS

$custom: #6331ad;
$custom-light: #966dc6;
$custom-dark: #000000;

JSON

{
  "hex": "#6331ad",
  "rgb": {
    "r": 99,
    "g": 49,
    "b": 173
  },
  "hsl": {
    "h": 264.194,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44999,
    "c": 0.18528,
    "h": 296.6
  },
  "luminance": 0.07866
}

Semantic roles & 50–950 ramp

primary

#6331AD

secondary

#A4C377

accent

#DF49A2

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #6331AD

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

Preview Lab → · Contrast checker → · Palette generator →