#644BBE#644BBE

#644BBE is a mid, vivid violet. Relative luminance 0.115; OKLCH L 50.2% C 0.172 H 288.6°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX#644BBE
RGBrgb(100, 75, 190)
HSLhsl(253, 47%, 52%)
HSVhsv(253, 61%, 75%)
CMYKcmyk(47.4%, 60.5%, 0%, 25.5%)
CIE-LABlab(40.34, 39.21, -57.18)
CIE-LCHlch(40.34, 69.33, 304.44°)
OKLaboklab(50.22% 0.0551 -0.1635)
OKLCHoklch(50.22% 0.172 288.6)
XYZxyz(17.0632, 11.4585, 50.0179)
Luminance0.1146 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644BBE #A5BE4B
analogous
#4B6CBE #644BBE #9D4BBE
triadic
#644BBE #BE644B #4BBE64
tetradic
#644BBE #BE4B6C #A5BE4B #4BBE9D
square
#644BBE #BE4B6C #A5BE4B #4BBE9D
split-complementary
#644BBE #BE9D4B #6CBE4B
monochromatic
#342669 #4B3696 #644BBE #8B78CE #B1A5DE

Accessibility & contrast

On white

6.38
#644BBE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.29
#644BBE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BBE
6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644BBE#FFFFFF#000000##FFFFFF
##644BBE1.006.383.296.38
#FFFFFF6.381.0021.001.00
#0000003.2921.001.0021.00
##FFFFFF6.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062C2
Deuteranopia (green-blind)
#005CBC
Tritanopia (blue-blind)
#47667D
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #644bbe;
/* rgb */ color: rgb(100, 75, 190);
/* oklch */ color: oklch(50.2% 0.172 288.6);
Tailwind
colors: {
  custom: {
    50: '#977ed2',
    500: '#644bbe',
    950: '#000000',
  },
}
SCSS
$custom: #644bbe;
$custom-light: #977ed2;
$custom-dark: #000000;
JSON
{
  "hex": "#644bbe",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 190
  },
  "hsl": {
    "h": 253.043,
    "s": 46.939,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50221,
    "c": 0.17247,
    "h": 288.6
  },
  "luminance": 0.11459
}

Semantic roles & 50–950 ramp

primary
#644BBE
secondary
#C1CC99
accent
#D751BA
background
#F9F7FD
surface
#F2EEFA
border
#CCC9D3
text
#0E0A14
muted
#7E7C83

Preview Lab

Preview with #644BBE

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

Preview Lab → · Contrast checker → · Palette generator →

#644BBE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva