#6331B1#6331B1

#6331B1 is a mid, vivid violet. Relative luminance 0.080; OKLCH L 45.3% C 0.190 H 295.7°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#6331B1
RGB	rgb(99, 49, 177)
HSL	hsl(263, 57%, 44%)
HSV	hsv(263, 72%, 69%)
CMYK	cmyk(44.1%, 72.3%, 0%, 30.6%)
CIE-LAB	lab(34.03, 49.52, -59.77)
CIE-LCH	lch(34.03, 77.62, 309.64°)
OKLab	oklab(45.34% 0.0822 -0.1711)
OKLCH	oklch(45.34% 0.19 295.7)
XYZ	xyz(14.1776, 8.0233, 42.3881)
Luminance	0.0802 (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

#6331B1 #7FB131

analogous

#313FB1 #6331B1 #A331B1

triadic

#6331B1 #B16331 #31B163

tetradic

#6331B1 #B1313F #7FB131 #31B1A3

square

#6331B1 #B1313F #7FB131 #31B1A3

split-complementary

#6331B1 #B1A331 #3FB131

monochromatic

#2D1651 #482481 #6331B1 #8251CF #A480DC

Accessibility & contrast

On white

8.06

#6331B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#6331B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6331B1

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6331B1	#FFFFFF	#000000	##FFFFFF
##6331B1	1.00	8.06	2.60	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B5

Deuteranopia (green-blind)

#004EAE

Tritanopia (blue-blind)

#4E526E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #6331b1;
/* rgb */ color: rgb(99, 49, 177);
/* oklch */ color: oklch(45.3% 0.190 295.7);

Tailwind

colors: {
  custom: {
    50: '#966ec9',
    500: '#6331b1',
    950: '#000000',
  },
}

SCSS

$custom: #6331b1;
$custom-light: #966ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#6331b1",
  "rgb": {
    "r": 99,
    "g": 49,
    "b": 177
  },
  "hsl": {
    "h": 263.438,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45335,
    "c": 0.1898,
    "h": 295.7
  },
  "luminance": 0.08024
}

Semantic roles & 50–950 ramp

primary

#6331B1

secondary

#A7C579

accent

#E048A5

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #6331B1

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

Preview Lab → · Contrast checker → · Palette generator →