#634BCB#634BCB

#634BCB is a mid, vivid violet. Relative luminance 0.120; OKLCH L 51.1% C 0.189 H 286.2°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX#634BCB
RGBrgb(99, 75, 203)
HSLhsl(251, 55%, 55%)
HSVhsv(251, 63%, 80%)
CMYKcmyk(51.2%, 63.1%, 0%, 20.4%)
CIE-LABlab(41.21, 42.85, -63.33)
CIE-LCHlch(41.21, 76.47, 304.08°)
OKLaboklab(51.13% 0.0529 -0.1816)
OKLCHoklch(51.13% 0.189 286.2)
XYZxyz(18.4380, 11.9957, 57.8322)
Luminance0.1200 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#634BCB #B3CB4B
analogous
#4B73CB #634BCB #A34BCB
triadic
#634BCB #CB634B #4BCB63
tetradic
#634BCB #CB4B73 #B3CB4B #4BCBA3
square
#634BCB #CB4B73 #B3CB4B #4BCBA3
split-complementary
#634BCB #CBA34B #73CB4B
monochromatic
#332379 #4731A8 #634BCB #8C7AD9 #B5AAE6

Accessibility & contrast

On white

6.18
#634BCB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.40
#634BCB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634BCB
6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##634BCB#FFFFFF#000000##FFFFFF
##634BCB1.006.183.406.18
#FFFFFF6.181.0021.001.00
#0000003.4021.001.0021.00
##FFFFFF6.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0065CF
Deuteranopia (green-blind)
#005DC8
Tritanopia (blue-blind)
#3C6A84
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #634bcb;
/* rgb */ color: rgb(99, 75, 203);
/* oklch */ color: oklch(51.1% 0.189 286.2);
Tailwind
colors: {
  custom: {
    50: '#987edc',
    500: '#634bcb',
    950: '#000000',
  },
}
SCSS
$custom: #634bcb;
$custom-light: #987edc;
$custom-dark: #000000;
JSON
{
  "hex": "#634bcb",
  "rgb": {
    "r": 99,
    "g": 75,
    "b": 203
  },
  "hsl": {
    "h": 251.25,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51134,
    "c": 0.18911,
    "h": 286.2
  },
  "luminance": 0.11997
}

Semantic roles & 50–950 ramp

primary
#634BCB
secondary
#CAD49E
accent
#DF49C3
background
#F9F7FD
surface
#F2EEFB
border
#CCC9D4
text
#0F0A15
muted
#7E7C83

Preview Lab

Preview with #634BCB

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

Preview Lab → · Contrast checker → · Palette generator →

#634BCB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva