#644DE6#644DE6

#644DE6 is a mid, highly saturated blue. Relative luminance 0.137; OKLCH L 53.7% C 0.220 H 283.0°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#644DE6
RGBrgb(100, 77, 230)
HSLhsl(249, 75%, 60%)
HSVhsv(249, 67%, 90%)
CMYKcmyk(56.5%, 66.5%, 0%, 9.8%)
CIE-LABlab(43.84, 49.93, -74.49)
CIE-LCHlch(43.84, 89.68, 303.83°)
OKLaboklab(53.72% 0.0493 -0.2143)
OKLCHoklch(53.72% 0.22 283)
XYZxyz(22.1879, 13.7288, 76.3283)
Luminance0.1373 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644DE6 #CFE64D
analogous
#4D82E6 #644DE6 #B14DE6
triadic
#644DE6 #E6644D #4DE664
tetradic
#644DE6 #E64D82 #CFE64D #4DE6B1
square
#644DE6 #E64D82 #CFE64D #4DE6B1
split-complementary
#644DE6 #E6B14D #82E64D
monochromatic
#2C17A2 #3A1ED8 #644DE6 #9383EE #C1B8F5

Accessibility & contrast

On white

5.61
#644DE6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.75
#644DE6 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DE6
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644DE6#FFFFFF#000000##FFFFFF
##644DE61.005.613.755.61
#FFFFFF5.611.0021.001.00
#0000003.7521.001.0021.00
##FFFFFF5.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006DEB
Deuteranopia (green-blind)
#0062E3
Tritanopia (blue-blind)
#1E7493
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #644de6;
/* rgb */ color: rgb(100, 77, 230);
/* oklch */ color: oklch(53.7% 0.220 283.0);
Tailwind
colors: {
  custom: {
    50: '#9c80ef',
    500: '#644de6',
    950: '#000000',
  },
}
SCSS
$custom: #644de6;
$custom-light: #9c80ef;
$custom-dark: #000000;
JSON
{
  "hex": "#644de6",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 230
  },
  "hsl": {
    "h": 249.02,
    "s": 75.369,
    "l": 60.196
  },
  "oklch": {
    "l": 0.53722,
    "c": 0.21991,
    "h": 283
  },
  "luminance": 0.1373
}

Semantic roles & 50–950 ramp

primary
#644DE6
secondary
#DCE5AA
accent
#D80EB9
background
#FAF7FE
surface
#F4EEFD
border
#CEC9D5
text
#0F0A17
muted
#7F7C85

Preview Lab

Preview with #644DE6

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

Preview Lab → · Contrast checker → · Palette generator →

#644DE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva