#633BD3#633BD3

#633BD3 is a mid, highly saturated violet. Relative luminance 0.105; OKLCH L 49.5% C 0.217 H 287.7°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#633BD3
RGB	rgb(99, 59, 211)
HSL	hsl(256, 63%, 53%)
HSV	hsv(256, 72%, 83%)
CMYK	cmyk(53.1%, 72%, 0%, 17.3%)
CIE-LAB	lab(38.70, 53.82, -72.06)
CIE-LCH	lch(38.70, 89.94, 306.76°)
OKLab	oklab(49.53% 0.0661 -0.2072)
OKLCH	oklch(49.53% 0.217 287.7)
XYZ	xyz(18.4640, 10.4828, 62.6659)
Luminance	0.1048 (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

#633BD3 #ABD33B

analogous

#3B5FD3 #633BD3 #AF3BD3

triadic

#633BD3 #D3633B #3BD363

tetradic

#633BD3 #D33B5F #ABD33B #3BD3AF

square

#633BD3 #D33B5F #ABD33B #3BD3AF

split-complementary

#633BD3 #D3AF3B #5FD33B

monochromatic

#341B79 #4926AB #633BD3 #8B6DDE #B39FE9

Accessibility & contrast

On white

6.78

#633BD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#633BD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #633BD3

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633BD3	#FFFFFF	#000000	##FFFFFF
##633BD3	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD7

Deuteranopia (green-blind)

#0057D0

Tritanopia (blue-blind)

#366483

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #633bd3;
/* rgb */ color: rgb(99, 59, 211);
/* oklch */ color: oklch(49.5% 0.217 287.7);

Tailwind

colors: {
  custom: {
    50: '#9a75e2',
    500: '#633bd3',
    950: '#000000',
  },
}

SCSS

$custom: #633bd3;
$custom-light: #9a75e2;
$custom-dark: #000000;

JSON

{
  "hex": "#633bd3",
  "rgb": {
    "r": 99,
    "g": 59,
    "b": 211
  },
  "hsl": {
    "h": 255.789,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49531,
    "c": 0.21747,
    "h": 287.7
  },
  "luminance": 0.10484
}

Semantic roles & 50–950 ramp

primary

#633BD3

secondary

#C4D694

accent

#E641BB

background

#FAF7FE

surface

#F4EDFC

border

#CEC8D5

text

#0F0815

muted

#7F7B84

Preview Lab

Preview with #633BD3

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

Preview Lab → · Contrast checker → · Palette generator →