#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
RGBrgb(99, 51, 153)
HSLhsl(268, 50%, 40%)
HSVhsv(268, 67%, 60%)
CMYKcmyk(35.3%, 66.7%, 0%, 40%)
CIE-LABlab(32.52, 42.21, -47.78)
CIE-LCHlch(32.52, 63.76, 311.46°)
OKLaboklab(43.67% 0.0839 -0.1358)
OKLCHoklch(43.67% 0.16 301.7)
XYZxyz(12.0778, 7.3202, 30.9074)
Luminance0.0732 (WCAG relative)
Temperaturecool
Familyviolet

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
##6333991.008.522.468.52
#FFFFFF8.521.0021.001.00
#0000002.4621.001.0021.00
##FFFFFF8.521.0021.001.00

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 →

#633399 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva