#634CCB#634CCB

#634CCB is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.3% C 0.188 H 286.0°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX#634CCB
RGBrgb(99, 76, 203)
HSLhsl(251, 55%, 55%)
HSVhsv(251, 63%, 80%)
CMYKcmyk(51.2%, 62.6%, 0%, 20.4%)
CIE-LABlab(41.43, 42.27, -62.98)
CIE-LCHlch(41.43, 75.85, 303.87°)
OKLaboklab(51.29% 0.0519 -0.1805)
OKLCHoklch(51.29% 0.188 286)
XYZxyz(18.5063, 12.1324, 57.8550)
Luminance0.1213 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#634CCB #B4CB4C
analogous
#4C75CB #634CCB #A24CCB
triadic
#634CCB #CB634C #4CCB63
tetradic
#634CCB #CB4C75 #B4CB4C #4CCBA2
square
#634CCB #CB4C75 #B4CB4C #4CCBA2
split-complementary
#634CCB #CBA24C #75CB4C
monochromatic
#332379 #4731A9 #634CCB #8C7BD9 #B6ABE7

Accessibility & contrast

On white

6.13
#634CCB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.43
#634CCB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634CCB
6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##634CCB#FFFFFF#000000##FFFFFF
##634CCB1.006.133.436.13
#FFFFFF6.131.0021.001.00
#0000003.4321.001.0021.00
##FFFFFF6.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0065CF
Deuteranopia (green-blind)
#005EC8
Tritanopia (blue-blind)
#3B6B84
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #634ccb;
/* rgb */ color: rgb(99, 76, 203);
/* oklch */ color: oklch(51.3% 0.188 286.0);
Tailwind
colors: {
  custom: {
    50: '#987fdc',
    500: '#634ccb',
    950: '#000000',
  },
}
SCSS
$custom: #634ccb;
$custom-light: #987fdc;
$custom-dark: #000000;
JSON
{
  "hex": "#634ccb",
  "rgb": {
    "r": 99,
    "g": 76,
    "b": 203
  },
  "hsl": {
    "h": 250.866,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51291,
    "c": 0.18785,
    "h": 286
  },
  "luminance": 0.12133
}

Semantic roles & 50–950 ramp

primary
#634CCB
secondary
#CAD49F
accent
#DE49C3
background
#F9F7FD
surface
#F2EEFB
border
#CCC9D4
text
#0F0A15
muted
#7E7C83

Preview Lab

Preview with #634CCB

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

Preview Lab → · Contrast checker → · Palette generator →

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