#633DD3#633DD3

#633DD3 is a mid, highly saturated violet. Relative luminance 0.107; OKLCH L 49.8% C 0.215 H 287.4°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#633DD3
RGBrgb(99, 61, 211)
HSLhsl(255, 63%, 53%)
HSVhsv(255, 71%, 83%)
CMYKcmyk(53.1%, 71.1%, 0%, 17.3%)
CIE-LABlab(39.06, 52.81, -71.47)
CIE-LCHlch(39.06, 88.86, 306.46°)
OKLaboklab(49.79% 0.0645 -0.2054)
OKLCHoklch(49.79% 0.215 287.4)
XYZxyz(18.5687, 10.6923, 62.7008)
Luminance0.1069 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#633DD3 #ADD33D
analogous
#3D62D3 #633DD3 #AE3DD3
triadic
#633DD3 #D3633D #3DD363
tetradic
#633DD3 #D33D62 #ADD33D #3DD3AE
square
#633DD3 #D33D62 #ADD33D #3DD3AE
split-complementary
#633DD3 #D3AE3D #62D33D
monochromatic
#341C7A #4927AC #633DD3 #8B6FDE #B3A1EA

Accessibility & contrast

On white

6.69
#633DD3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#633DD3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #633DD3
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##633DD3#FFFFFF#000000##FFFFFF
##633DD31.006.693.146.69
#FFFFFF6.691.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FD7
Deuteranopia (green-blind)
#0058D0
Tritanopia (blue-blind)
#366584
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #633dd3;
/* rgb */ color: rgb(99, 61, 211);
/* oklch */ color: oklch(49.8% 0.215 287.4);
Tailwind
colors: {
  custom: {
    50: '#9a76e2',
    500: '#633dd3',
    950: '#000000',
  },
}
SCSS
$custom: #633dd3;
$custom-light: #9a76e2;
$custom-dark: #000000;
JSON
{
  "hex": "#633dd3",
  "rgb": {
    "r": 99,
    "g": 61,
    "b": 211
  },
  "hsl": {
    "h": 255.2,
    "s": 63.025,
    "l": 53.333
  },
  "oklch": {
    "l": 0.49787,
    "c": 0.21533,
    "h": 287.4
  },
  "luminance": 0.10693
}

Semantic roles & 50–950 ramp

primary
#633DD3
secondary
#C6D696
accent
#E642BC
background
#FAF7FE
surface
#F4EDFC
border
#CEC8D5
text
#0F0915
muted
#7F7B84

Preview Lab

Preview with #633DD3

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

Preview Lab → · Contrast checker → · Palette generator →

#633DD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva