#633CB5#633CB5

#633CB5 is a mid, vivid violet. Relative luminance 0.092; OKLCH L 47.1% C 0.181 H 292.9°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#633CB5
RGB	rgb(99, 60, 181)
HSL	hsl(259, 50%, 47%)
HSV	hsv(259, 67%, 71%)
CMYK	cmyk(45.3%, 66.9%, 0%, 29%)
CIE-LAB	lab(36.40, 44.92, -58.28)
CIE-LCH	lch(36.40, 73.58, 307.62°)
OKLab	oklab(47.13% 0.0706 -0.1667)
OKLCH	oklch(47.13% 0.181 292.9)
XYZ	xyz(15.0996, 9.2201, 44.6912)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.98

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633CB5 #8EB53C

analogous

#3C52B5 #633CB5 #A03CB5

triadic

#633CB5 #B5633C #3CB563

tetradic

#633CB5 #B53C52 #8EB53C #3CB5A0

square

#633CB5 #B53C52 #8EB53C #3CB5A0

split-complementary

#633CB5 #B5A03C #52B53C

monochromatic

#311E59 #4A2D87 #633CB5 #8563CB #A991DB

Accessibility & contrast

On white

7.38

#633CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#633CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633CB5

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633CB5	#FFFFFF	#000000	##FFFFFF
##633CB5	1.00	7.38	2.84	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B9

Deuteranopia (green-blind)

#0053B3

Tritanopia (blue-blind)

#4B5973

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #633cb5;
/* rgb */ color: rgb(99, 60, 181);
/* oklch */ color: oklch(47.1% 0.181 292.9);

Tailwind

colors: {
  custom: {
    50: '#9674cc',
    500: '#633cb5',
    950: '#000000',
  },
}

SCSS

$custom: #633cb5;
$custom-light: #9674cc;
$custom-dark: #000000;

JSON

{
  "hex": "#633cb5",
  "rgb": {
    "r": 99,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 259.339,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47129,
    "c": 0.18106,
    "h": 292.9
  },
  "luminance": 0.09221
}

Semantic roles & 50–950 ramp

primary

#633CB5

secondary

#B1C687

accent

#DA4EAD

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #633CB5

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

Preview Lab → · Contrast checker → · Palette generator →