#633FBC#633FBC

#633FBC is a mid, vivid violet. Relative luminance 0.098; OKLCH L 48.1% C 0.186 H 291.0°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX#633FBC
RGBrgb(99, 63, 188)
HSLhsl(257, 50%, 49%)
HSVhsv(257, 66%, 74%)
CMYKcmyk(47.3%, 66.5%, 0%, 26.3%)
CIE-LABlab(37.55, 45.24, -60.54)
CIE-LCHlch(37.55, 75.58, 306.77°)
OKLaboklab(48.12% 0.0666 -0.1734)
OKLCHoklch(48.12% 0.186 291)
XYZxyz(15.9976, 9.8379, 48.6232)
Luminance0.0984 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#633FBC #98BC3F
analogous
#3F5ABC #633FBC #A23FBC
triadic
#633FBC #BC633F #3FBC63
tetradic
#633FBC #BC3F5A #98BC3F #3FBCA2
square
#633FBC #BC3F5A #98BC3F #3FBCA2
split-complementary
#633FBC #BCA23F #5ABC3F
monochromatic
#332060 #4B308E #633FBC #876BCD #AC99DD

Accessibility & contrast

On white

7.08
#633FBC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.97
#633FBC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633FBC
7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##633FBC#FFFFFF#000000##FFFFFF
##633FBC1.007.082.977.08
#FFFFFF7.081.0021.001.00
#0000002.9721.001.0021.00
##FFFFFF7.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005AC0
Deuteranopia (green-blind)
#0056B9
Tritanopia (blue-blind)
#475E78
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #633fbc;
/* rgb */ color: rgb(99, 63, 188);
/* oklch */ color: oklch(48.1% 0.186 291.0);
Tailwind
colors: {
  custom: {
    50: '#9776d1',
    500: '#633fbc',
    950: '#000000',
  },
}
SCSS
$custom: #633fbc;
$custom-light: #9776d1;
$custom-dark: #000000;
JSON
{
  "hex": "#633fbc",
  "rgb": {
    "r": 99,
    "g": 63,
    "b": 188
  },
  "hsl": {
    "h": 257.28,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48124,
    "c": 0.18572,
    "h": 291
  },
  "luminance": 0.09839
}

Semantic roles & 50–950 ramp

primary
#633FBC
secondary
#B8C98E
accent
#D94EB1
background
#F9F7FD
surface
#F2EDFA
border
#CCC8D3
text
#0E0914
muted
#7E7B83

Preview Lab

Preview with #633FBC

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

Preview Lab → · Contrast checker → · Palette generator →

#633FBC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva