#6333B2#6333B2

#6333B2 is a mid, vivid violet. Relative luminance 0.082; OKLCH L 45.7% C 0.189 H 295.1°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#6333B2
RGB	rgb(99, 51, 178)
HSL	hsl(263, 55%, 45%)
HSV	hsv(263, 71%, 70%)
CMYK	cmyk(44.4%, 71.3%, 0%, 30.2%)
CIE-LAB	lab(34.47, 48.80, -59.66)
CIE-LCH	lch(34.47, 77.07, 309.28°)
OKLab	oklab(45.67% 0.0801 -0.1708)
OKLCH	oklch(45.67% 0.189 295.1)
XYZ	xyz(14.3631, 8.2343, 42.9435)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Rebeccapurple

#663399

ΔE00 4.25

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6333B2 #82B233

analogous

#3342B2 #6333B2 #A333B2

triadic

#6333B2 #B26333 #33B263

tetradic

#6333B2 #B23342 #82B233 #33B2A3

square

#6333B2 #B23342 #82B233 #33B2A3

split-complementary

#6333B2 #B2A333 #42B233

monochromatic

#2E1853 #492582 #6333B2 #8254CE #A584DC

Accessibility & contrast

On white

7.93

#6333B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#6333B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6333B2

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6333B2	#FFFFFF	#000000	##FFFFFF
##6333B2	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#004FAF

Tritanopia (blue-blind)

#4D536F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #6333b2;
/* rgb */ color: rgb(99, 51, 178);
/* oklch */ color: oklch(45.7% 0.189 295.1);

Tailwind

colors: {
  custom: {
    50: '#966fca',
    500: '#6333b2',
    950: '#000000',
  },
}

SCSS

$custom: #6333b2;
$custom-light: #966fca;
$custom-dark: #000000;

JSON

{
  "hex": "#6333b2",
  "rgb": {
    "r": 99,
    "g": 51,
    "b": 178
  },
  "hsl": {
    "h": 262.677,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.45669,
    "c": 0.1886,
    "h": 295.1
  },
  "luminance": 0.08235
}

Semantic roles & 50–950 ramp

primary

#6333B2

secondary

#A9C57C

accent

#DF49A6

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #6333B2

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

Preview Lab → · Contrast checker → · Palette generator →