#6331A4#6331A4

#6331A4 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 44.3% C 0.175 H 298.9°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#6331A4
RGB	rgb(99, 49, 164)
HSL	hsl(266, 54%, 42%)
HSV	hsv(266, 70%, 64%)
CMYK	cmyk(39.6%, 70.1%, 0%, 35.7%)
CIE-LAB	lab(32.98, 46.11, -53.70)
CIE-LCH	lch(32.98, 70.78, 310.65°)
OKLab	oklab(44.26% 0.0847 -0.1532)
OKLCH	oklch(44.26% 0.175 298.9)
XYZ	xyz(12.9431, 7.5294, 35.8862)
Luminance	0.0753 (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

#6331A4 #72A431

analogous

#3138A4 #6331A4 #9D31A4

triadic

#6331A4 #A46331 #31A463

tetradic

#6331A4 #A43138 #72A431 #31A49D

square

#6331A4 #A43138 #72A431 #31A49D

split-complementary

#6331A4 #A49D31 #38A431

monochromatic

#2A1546 #472375 #6331A4 #8149C9 #A279D7

Accessibility & contrast

On white

8.38

#6331A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#6331A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6331A4

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6331A4	#FFFFFF	#000000	##FFFFFF
##6331A4	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA7

Deuteranopia (green-blind)

#004CA2

Tritanopia (blue-blind)

#544D67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #6331a4;
/* rgb */ color: rgb(99, 49, 164);
/* oklch */ color: oklch(44.3% 0.175 298.9);

Tailwind

colors: {
  custom: {
    50: '#956dc0',
    500: '#6331a4',
    950: '#000000',
  },
}

SCSS

$custom: #6331a4;
$custom-light: #956dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#6331a4",
  "rgb": {
    "r": 99,
    "g": 49,
    "b": 164
  },
  "hsl": {
    "h": 266.087,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.44262,
    "c": 0.17504,
    "h": 298.9
  },
  "luminance": 0.0753
}

Semantic roles & 50–950 ramp

primary

#6331A4

secondary

#9DBF72

accent

#DD4A9D

background

#F9F6FB

surface

#F2ECF7

border

#CCC7D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #6331A4

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

Preview Lab → · Contrast checker → · Palette generator →