#633FB3#633FB3

#633FB3 is a mid, vivid violet. Relative luminance 0.095; OKLCH L 47.4% C 0.175 H 292.8°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#633FB3
RGB	rgb(99, 63, 179)
HSL	hsl(259, 48%, 47%)
HSV	hsv(259, 65%, 70%)
CMYK	cmyk(44.7%, 64.8%, 0%, 29.8%)
CIE-LAB	lab(36.86, 42.71, -56.36)
CIE-LCH	lch(36.86, 70.71, 307.15°)
OKLab	oklab(47.41% 0.0677 -0.1611)
OKLCH	oklch(47.41% 0.175 292.8)
XYZ	xyz(15.0575, 9.4619, 43.6721)
Luminance	0.0946 (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

#633FB3 #8FB33F

analogous

#3F55B3 #633FB3 #9D3FB3

triadic

#633FB3 #B3633F #3FB363

tetradic

#633FB3 #B33F55 #8FB33F #3FB39D

square

#633FB3 #B33F55 #8FB33F #3FB39D

split-complementary

#633FB3 #B39D3F #55B33F

monochromatic

#311F58 #4A2F86 #633FB3 #8566C9 #A993D9

Accessibility & contrast

On white

7.26

#633FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#633FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633FB3

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633FB3	#FFFFFF	#000000	##FFFFFF
##633FB3	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B7

Deuteranopia (green-blind)

#0055B1

Tritanopia (blue-blind)

#4C5A73

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #633fb3;
/* rgb */ color: rgb(99, 63, 179);
/* oklch */ color: oklch(47.4% 0.175 292.8);

Tailwind

colors: {
  custom: {
    50: '#9676cb',
    500: '#633fb3',
    950: '#000000',
  },
}

SCSS

$custom: #633fb3;
$custom-light: #9676cb;
$custom-dark: #000000;

JSON

{
  "hex": "#633fb3",
  "rgb": {
    "r": 99,
    "g": 63,
    "b": 179
  },
  "hsl": {
    "h": 258.621,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47409,
    "c": 0.17471,
    "h": 292.8
  },
  "luminance": 0.09462
}

Semantic roles & 50–950 ramp

primary

#633FB3

secondary

#B2C489

accent

#D850AE

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0913

muted

#7E7B82

Preview Lab

Preview with #633FB3

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

Preview Lab → · Contrast checker → · Palette generator →