#644CE5#644CE5

#644CE5 is a mid, highly saturated blue. Relative luminance 0.135; OKLCH L 53.5% C 0.220 H 283.2°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX#644CE5
RGBrgb(100, 76, 229)
HSLhsl(249, 75%, 60%)
HSVhsv(249, 67%, 90%)
CMYKcmyk(56.3%, 66.8%, 0%, 10.2%)
CIE-LABlab(43.56, 50.18, -74.39)
CIE-LCHlch(43.56, 89.73, 304.00°)
OKLaboklab(53.49% 0.0503 -0.214)
OKLCHoklch(53.49% 0.22 283.2)
XYZxyz(21.9785, 13.5340, 75.5677)
Luminance0.1353 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644CE5 #CDE54C
analogous
#4C80E5 #644CE5 #B14CE5
triadic
#644CE5 #E5644C #4CE564
tetradic
#644CE5 #E54C80 #CDE54C #4CE5B1
square
#644CE5 #E54C80 #CDE54C #4CE5B1
split-complementary
#644CE5 #E5B14C #80E54C
monochromatic
#2D179F #3B1FD5 #644CE5 #9281ED #C1B7F5

Accessibility & contrast

On white

5.66
#644CE5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.71
#644CE5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CE5
5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644CE5#FFFFFF#000000##FFFFFF
##644CE51.005.663.715.66
#FFFFFF5.661.0021.001.00
#0000003.7121.001.0021.00
##FFFFFF5.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006CEA
Deuteranopia (green-blind)
#0062E2
Tritanopia (blue-blind)
#207392
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #644ce5;
/* rgb */ color: rgb(100, 76, 229);
/* oklch */ color: oklch(53.5% 0.220 283.2);
Tailwind
colors: {
  custom: {
    50: '#9c80ee',
    500: '#644ce5',
    950: '#000000',
  },
}
SCSS
$custom: #644ce5;
$custom-light: #9c80ee;
$custom-dark: #000000;
JSON
{
  "hex": "#644ce5",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 229
  },
  "hsl": {
    "h": 249.412,
    "s": 74.634,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53492,
    "c": 0.21984,
    "h": 283.2
  },
  "luminance": 0.13535
}

Semantic roles & 50–950 ramp

primary
#644CE5
secondary
#DBE4A9
accent
#F137D4
background
#FAF7FE
surface
#F4EEFD
border
#CEC9D5
text
#0F0A17
muted
#7F7C85

Preview Lab

Preview with #644CE5

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

Preview Lab → · Contrast checker → · Palette generator →

#644CE5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva