#644BC5#644BC5

#644BC5 is a mid, vivid violet. Relative luminance 0.118; OKLCH L 50.8% C 0.181 H 287.5°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX#644BC5
RGBrgb(100, 75, 197)
HSLhsl(252, 51%, 53%)
HSVhsv(252, 62%, 77%)
CMYKcmyk(49.2%, 61.9%, 0%, 22.7%)
CIE-LABlab(40.85, 41.27, -60.43)
CIE-LCHlch(40.85, 73.18, 304.33°)
OKLaboklab(50.75% 0.0547 -0.173)
OKLCHoklch(50.75% 0.181 287.5)
XYZxyz(17.8467, 11.7719, 54.1443)
Luminance0.1177 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644BC5 #ACC54B
analogous
#4B6FC5 #644BC5 #A14BC5
triadic
#644BC5 #C5644B #4BC564
tetradic
#644BC5 #C54B6F #ACC54B #4BC5A1
square
#644BC5 #C54B6F #ACC54B #4BC5A1
split-complementary
#644BC5 #C5A14B #6FC54B
monochromatic
#342471 #4A339F #644BC5 #8C79D4 #B4A8E3

Accessibility & contrast

On white

6.26
#644BC5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.35
#644BC5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BC5
6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644BC5#FFFFFF#000000##FFFFFF
##644BC51.006.263.356.26
#FFFFFF6.261.0021.001.00
#0000003.3521.001.0021.00
##FFFFFF6.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0063C9
Deuteranopia (green-blind)
#005DC2
Tritanopia (blue-blind)
#426881
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #644bc5;
/* rgb */ color: rgb(100, 75, 197);
/* oklch */ color: oklch(50.8% 0.181 287.5);
Tailwind
colors: {
  custom: {
    50: '#987ed7',
    500: '#644bc5',
    950: '#000000',
  },
}
SCSS
$custom: #644bc5;
$custom-light: #987ed7;
$custom-dark: #000000;
JSON
{
  "hex": "#644bc5",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 197
  },
  "hsl": {
    "h": 252.295,
    "s": 51.261,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50754,
    "c": 0.18145,
    "h": 287.5
  },
  "luminance": 0.11773
}

Semantic roles & 50–950 ramp

primary
#644BC5
secondary
#C5D09C
accent
#DB4DBE
background
#F9F7FD
surface
#F2EEFA
border
#CCC9D3
text
#0E0A14
muted
#7E7C83

Preview Lab

Preview with #644BC5

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

Preview Lab → · Contrast checker → · Palette generator →

#644BC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva