#633399#633399

#633399 is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.7% C 0.160 H 301.7°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#633399
RGB	rgb(99, 51, 153)
HSL	hsl(268, 50%, 40%)
HSV	hsv(268, 67%, 60%)
CMYK	cmyk(35.3%, 66.7%, 0%, 40%)
CIE-LAB	lab(32.52, 42.21, -47.78)
CIE-LCH	lch(32.52, 63.76, 311.46°)
OKLab	oklab(43.67% 0.0839 -0.1358)
OKLCH	oklch(43.67% 0.16 301.7)
XYZ	xyz(12.0778, 7.3202, 30.9074)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633399 #699933

analogous

#333699 #633399 #963399

triadic

#633399 #996333 #339963

tetradic

#633399 #993336 #699933 #339996

square

#633399 #993336 #699933 #339996

split-complementary

#633399 #999633 #369933

monochromatic

#28143D #45246B #633399 #8147C2 #A075D1

Accessibility & contrast

On white

8.52

#633399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#633399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633399

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633399	#FFFFFF	#000000	##FFFFFF
##633399	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9C

Deuteranopia (green-blind)

#064C97

Tritanopia (blue-blind)

#584A61

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #633399;
/* rgb */ color: rgb(99, 51, 153);
/* oklch */ color: oklch(43.7% 0.160 301.7);

Tailwind

colors: {
  custom: {
    50: '#946eb8',
    500: '#633399',
    950: '#000000',
  },
}

SCSS

$custom: #633399;
$custom-light: #946eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#633399",
  "rgb": {
    "r": 99,
    "g": 51,
    "b": 153
  },
  "hsl": {
    "h": 268.235,
    "s": 50,
    "l": 40
  },
  "oklch": {
    "l": 0.43672,
    "c": 0.15966,
    "h": 301.7
  },
  "luminance": 0.0732
}

Semantic roles & 50–950 ramp

primary

#633399

secondary

#96B96E

accent

#DA4E98

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #633399

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

Preview Lab → · Contrast checker → · Palette generator →