#6331B3#6331B3

#6331B3 is a mid, vivid violet. Relative luminance 0.081; OKLCH L 45.5% C 0.192 H 295.2°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#6331B3
RGB	rgb(99, 49, 179)
HSL	hsl(263, 57%, 45%)
HSV	hsv(263, 73%, 70%)
CMYK	cmyk(44.7%, 72.6%, 0%, 29.8%)
CIE-LAB	lab(34.20, 50.05, -60.69)
CIE-LCH	lch(34.20, 78.67, 309.51°)
OKLab	oklab(45.5% 0.0818 -0.1738)
OKLCH	oklch(45.5% 0.192 295.2)
XYZ	xyz(14.3784, 8.1036, 43.4457)
Luminance	0.0810 (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

#6331B3 #81B331

analogous

#3140B3 #6331B3 #A431B3

triadic

#6331B3 #B36331 #31B363

tetradic

#6331B3 #B33140 #81B331 #31B3A4

square

#6331B3 #B33140 #81B331 #31B3A4

split-complementary

#6331B3 #B3A431 #40B331

monochromatic

#2E1753 #482483 #6331B3 #8252D0 #A582DD

Accessibility & contrast

On white

8.01

#6331B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#6331B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6331B3

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6331B3	#FFFFFF	#000000	##FFFFFF
##6331B3	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B7

Deuteranopia (green-blind)

#004EB0

Tritanopia (blue-blind)

#4D526F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #6331b3;
/* rgb */ color: rgb(99, 49, 179);
/* oklch */ color: oklch(45.5% 0.192 295.2);

Tailwind

colors: {
  custom: {
    50: '#976ecb',
    500: '#6331b3',
    950: '#000000',
  },
}

SCSS

$custom: #6331b3;
$custom-light: #976ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#6331b3",
  "rgb": {
    "r": 99,
    "g": 49,
    "b": 179
  },
  "hsl": {
    "h": 263.077,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45504,
    "c": 0.19205,
    "h": 295.2
  },
  "luminance": 0.08104
}

Semantic roles & 50–950 ramp

primary

#6331B3

secondary

#A9C67A

accent

#E048A6

background

#F9F6FC

surface

#F2ECF9

border

#CCC7D2

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #6331B3

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

Preview Lab → · Contrast checker → · Palette generator →