#6333AD#6333AD

#6333AD is a mid, vivid violet. Relative luminance 0.080; OKLCH L 45.3% C 0.183 H 296.3°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#6333AD
RGB	rgb(99, 51, 173)
HSL	hsl(264, 54%, 44%)
HSV	hsv(264, 71%, 68%)
CMYK	cmyk(42.8%, 70.5%, 0%, 32.2%)
CIE-LAB	lab(34.06, 47.46, -57.34)
CIE-LCH	lch(34.06, 74.44, 309.62°)
OKLab	oklab(45.25% 0.0811 -0.1639)
OKLCH	oklch(45.25% 0.183 296.3)
XYZ	xyz(13.8703, 8.0371, 40.3476)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Rebeccapurple

#663399

ΔE00 3.51

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6333AD #7DAD33

analogous

#3340AD #6333AD #A033AD

triadic

#6333AD #AD6333 #33AD63

tetradic

#6333AD #AD3340 #7DAD33 #33ADA0

square

#6333AD #AD3340 #7DAD33 #33ADA0

split-complementary

#6333AD #ADA033 #40AD33

monochromatic

#2D174E #48257E #6333AD #8251CC #A481DA

Accessibility & contrast

On white

8.05

#6333AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#6333AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6333AD

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6333AD	#FFFFFF	#000000	##FFFFFF
##6333AD	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B1

Deuteranopia (green-blind)

#004EAB

Tritanopia (blue-blind)

#50516C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #6333ad;
/* rgb */ color: rgb(99, 51, 173);
/* oklch */ color: oklch(45.3% 0.183 296.3);

Tailwind

colors: {
  custom: {
    50: '#966fc6',
    500: '#6333ad',
    950: '#000000',
  },
}

SCSS

$custom: #6333ad;
$custom-light: #966fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#6333ad",
  "rgb": {
    "r": 99,
    "g": 51,
    "b": 173
  },
  "hsl": {
    "h": 263.607,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45253,
    "c": 0.18288,
    "h": 296.3
  },
  "luminance": 0.08037
}

Semantic roles & 50–950 ramp

primary

#6333AD

secondary

#A6C379

accent

#DE4AA4

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #6333AD

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

Preview Lab → · Contrast checker → · Palette generator →