#634BB7#634BB7

#634BB7 is a mid, vivid violet. Relative luminance 0.111; OKLCH L 49.6% C 0.163 H 289.3°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX#634BB7
RGBrgb(99, 75, 183)
HSLhsl(253, 43%, 51%)
HSVhsv(253, 59%, 72%)
CMYKcmyk(45.9%, 59%, 0%, 28.2%)
CIE-LABlab(39.75, 36.94, -54.03)
CIE-LCHlch(39.75, 65.45, 304.36°)
OKLaboklab(49.61% 0.054 -0.1542)
OKLCHoklch(49.61% 0.163 289.3)
XYZxyz(16.2065, 11.1031, 46.0798)
Luminance0.1110 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#634BB7 #9FB74B
analogous
#4B69B7 #634BB7 #994BB7
triadic
#634BB7 #B7634B #4BB763
tetradic
#634BB7 #B74B69 #9FB74B #4BB799
square
#634BB7 #B74B69 #9FB74B #4BB799
split-complementary
#634BB7 #B7994B #69B74B
monochromatic
#342761 #4B388D #634BB7 #8977C8 #AFA2DA

Accessibility & contrast

On white

6.52
#634BB7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.22
#634BB7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634BB7
6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##634BB7#FFFFFF#000000##FFFFFF
##634BB71.006.523.226.52
#FFFFFF6.521.0021.001.00
#0000003.2221.001.0021.00
##FFFFFF6.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0060BB
Deuteranopia (green-blind)
#005BB5
Tritanopia (blue-blind)
#49637A
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #634bb7;
/* rgb */ color: rgb(99, 75, 183);
/* oklch */ color: oklch(49.6% 0.163 289.3);
Tailwind
colors: {
  custom: {
    50: '#957ecd',
    500: '#634bb7',
    950: '#000000',
  },
}
SCSS
$custom: #634bb7;
$custom-light: #957ecd;
$custom-dark: #000000;
JSON
{
  "hex": "#634bb7",
  "rgb": {
    "r": 99,
    "g": 75,
    "b": 183
  },
  "hsl": {
    "h": 253.333,
    "s": 42.857,
    "l": 50.588
  },
  "oklch": {
    "l": 0.4961,
    "c": 0.16339,
    "h": 289.3
  },
  "luminance": 0.11104
}

Semantic roles & 50–950 ramp

primary
#634BB7
secondary
#BCC797
accent
#D355B7
background
#F9F7FC
surface
#F2EEF9
border
#CCC9D2
text
#0E0A14
muted
#7E7C82

Preview Lab

Preview with #634BB7

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

Preview Lab → · Contrast checker → · Palette generator →

#634BB7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva