#633D99#633D99

#633D99 is a mid, vivid violet. Relative luminance 0.083; OKLCH L 45.2% C 0.145 H 299.6°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#633D99
RGB	rgb(99, 61, 153)
HSL	hsl(265, 43%, 42%)
HSV	hsv(265, 60%, 60%)
CMYK	cmyk(35.3%, 60.1%, 0%, 40%)
CIE-LAB	lab(34.58, 36.68, -44.46)
CIE-LCH	lch(34.58, 57.64, 309.52°)
OKLab	oklab(45.16% 0.0717 -0.1261)
OKLCH	oklch(45.16% 0.145 299.6)
XYZ	xyz(12.5627, 8.2899, 31.0691)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633D99 #73993D

analogous

#3D4599 #633D99 #913D99

triadic

#633D99 #99633D #3D9963

tetradic

#633D99 #993D45 #73993D #3D9991

square

#633D99 #993D45 #73993D #3D9991

split-complementary

#633D99 #99913D #45993D

monochromatic

#2A1A41 #472C6D #633D99 #8157BC #A283CE

Accessibility & contrast

On white

7.90

#633D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#633D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633D99

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633D99	#FFFFFF	#000000	##FFFFFF
##633D99	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09519C

Deuteranopia (green-blind)

#1F5197

Tritanopia (blue-blind)

#575065

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #633d99;
/* rgb */ color: rgb(99, 61, 153);
/* oklch */ color: oklch(45.2% 0.145 299.6);

Tailwind

colors: {
  custom: {
    50: '#9374b8',
    500: '#633d99',
    950: '#000000',
  },
}

SCSS

$custom: #633d99;
$custom-light: #9374b8;
$custom-dark: #000000;

JSON

{
  "hex": "#633d99",
  "rgb": {
    "r": 99,
    "g": 61,
    "b": 153
  },
  "hsl": {
    "h": 264.783,
    "s": 42.991,
    "l": 41.961
  },
  "oklch": {
    "l": 0.45163,
    "c": 0.14505,
    "h": 299.6
  },
  "luminance": 0.0829
}

Semantic roles & 50–950 ramp

primary

#633D99

secondary

#9EB87A

accent

#D3559F

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0D0811

muted

#7E7B80

Preview Lab

Preview with #633D99

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

Preview Lab → · Contrast checker → · Palette generator →