#633DB3#633DB3

#633DB3 is a mid, vivid violet. Relative luminance 0.092; OKLCH L 47.1% C 0.177 H 293.2°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX#633DB3
RGBrgb(99, 61, 179)
HSLhsl(259, 49%, 47%)
HSVhsv(259, 66%, 70%)
CMYKcmyk(44.7%, 65.9%, 0%, 29.8%)
CIE-LABlab(36.45, 43.81, -57.02)
CIE-LCHlch(36.45, 71.91, 307.54°)
OKLaboklab(47.11% 0.0698 -0.163)
OKLCHoklch(47.11% 0.177 293.2)
XYZxyz(14.9488, 9.2444, 43.6358)
Luminance0.0925 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#633DB3 #8DB33D
analogous
#3D52B3 #633DB3 #9E3DB3
triadic
#633DB3 #B3633D #3DB363
tetradic
#633DB3 #B33D52 #8DB33D #3DB39E
square
#633DB3 #B33D52 #8DB33D #3DB39E
split-complementary
#633DB3 #B39E3D #52B33D
monochromatic
#311E58 #4A2D85 #633DB3 #8463CA #A891D9

Accessibility & contrast

On white

7.37
#633DB3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.85
#633DB3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633DB3
7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##633DB3#FFFFFF#000000##FFFFFF
##633DB31.007.372.857.37
#FFFFFF7.371.0021.001.00
#0000002.8521.001.0021.00
##FFFFFF7.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057B7
Deuteranopia (green-blind)
#0054B1
Tritanopia (blue-blind)
#4C5972
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #633db3;
/* rgb */ color: rgb(99, 61, 179);
/* oklch */ color: oklch(47.1% 0.177 293.2);
Tailwind
colors: {
  custom: {
    50: '#9675cb',
    500: '#633db3',
    950: '#000000',
  },
}
SCSS
$custom: #633db3;
$custom-light: #9675cb;
$custom-dark: #000000;
JSON
{
  "hex": "#633db3",
  "rgb": {
    "r": 99,
    "g": 61,
    "b": 179
  },
  "hsl": {
    "h": 259.322,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.47114,
    "c": 0.17734,
    "h": 293.2
  },
  "luminance": 0.09245
}

Semantic roles & 50–950 ramp

primary
#633DB3
secondary
#B1C587
accent
#D94FAC
background
#F9F7FC
surface
#F2EDF9
border
#CCC8D2
text
#0E0813
muted
#7E7B82

Preview Lab

Preview with #633DB3

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

Preview Lab → · Contrast checker → · Palette generator →

#633DB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva