#633CB3#633CB3

#633CB3 is a mid, vivid violet. Relative luminance 0.091; OKLCH L 47.0% C 0.179 H 293.4°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#633CB3
RGB	rgb(99, 60, 179)
HSL	hsl(260, 50%, 47%)
HSV	hsv(260, 66%, 70%)
CMYK	cmyk(44.7%, 66.5%, 0%, 29.8%)
CIE-LAB	lab(36.25, 44.36, -57.35)
CIE-LCH	lch(36.25, 72.50, 307.72°)
OKLab	oklab(46.97% 0.0709 -0.164)
OKLCH	oklch(46.97% 0.179 293.4)
XYZ	xyz(14.8959, 9.1386, 43.6182)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 3.26

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633CB3 #8CB33C

analogous

#3C51B3 #633CB3 #9F3CB3

triadic

#633CB3 #B3633C #3CB363

tetradic

#633CB3 #B33C51 #8CB33C #3CB39F

square

#633CB3 #B33C51 #8CB33C #3CB39F

split-complementary

#633CB3 #B39F3C #51B33C

monochromatic

#301D57 #4A2D85 #633CB3 #8462CA #A890DA

Accessibility & contrast

On white

7.43

#633CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#633CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633CB3

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633CB3	#FFFFFF	#000000	##FFFFFF
##633CB3	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B7

Deuteranopia (green-blind)

#0053B1

Tritanopia (blue-blind)

#4C5972

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #633cb3;
/* rgb */ color: rgb(99, 60, 179);
/* oklch */ color: oklch(47.0% 0.179 293.4);

Tailwind

colors: {
  custom: {
    50: '#9674cb',
    500: '#633cb3',
    950: '#000000',
  },
}

SCSS

$custom: #633cb3;
$custom-light: #9674cb;
$custom-dark: #000000;

JSON

{
  "hex": "#633cb3",
  "rgb": {
    "r": 99,
    "g": 60,
    "b": 179
  },
  "hsl": {
    "h": 259.664,
    "s": 49.791,
    "l": 46.863
  },
  "oklch": {
    "l": 0.46969,
    "c": 0.17864,
    "h": 293.4
  },
  "luminance": 0.09139
}

Semantic roles & 50–950 ramp

primary

#633CB3

secondary

#B0C586

accent

#D94EAC

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #633CB3

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

Preview Lab → · Contrast checker → · Palette generator →