#644FE6#644FE6

#644FE6 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 54.0% C 0.218 H 282.6°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#644FE6
RGBrgb(100, 79, 230)
HSLhsl(248, 75%, 61%)
HSVhsv(248, 66%, 90%)
CMYKcmyk(56.5%, 65.7%, 0%, 9.8%)
CIE-LABlab(44.25, 48.82, -73.82)
CIE-LCHlch(44.25, 88.50, 303.48°)
OKLaboklab(54.02% 0.0476 -0.2124)
OKLCHoklch(54.02% 0.218 282.6)
XYZxyz(22.3300, 14.0130, 76.3757)
Luminance0.1401 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644FE6 #D1E64F
analogous
#4F86E6 #644FE6 #AF4FE6
triadic
#644FE6 #E6644F #4FE664
tetradic
#644FE6 #E64F86 #D1E64F #4FE6AF
square
#644FE6 #E64F86 #D1E64F #4FE6AF
split-complementary
#644FE6 #E6AF4F #86E64F
monochromatic
#2B17A3 #391FD9 #644FE6 #9385EE #C2BAF5

Accessibility & contrast

On white

5.52
#644FE6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.80
#644FE6 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FE6
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644FE6#FFFFFF#000000##FFFFFF
##644FE61.005.523.805.52
#FFFFFF5.521.0021.001.00
#0000003.8021.001.0021.00
##FFFFFF5.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006EEB
Deuteranopia (green-blind)
#0063E3
Tritanopia (blue-blind)
#1D7694
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #644fe6;
/* rgb */ color: rgb(100, 79, 230);
/* oklch */ color: oklch(54.0% 0.218 282.6);
Tailwind
colors: {
  custom: {
    50: '#9c82ef',
    500: '#644fe6',
    950: '#000000',
  },
}
SCSS
$custom: #644fe6;
$custom-light: #9c82ef;
$custom-dark: #000000;
JSON
{
  "hex": "#644fe6",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 230
  },
  "hsl": {
    "h": 248.344,
    "s": 75.124,
    "l": 60.588
  },
  "oklch": {
    "l": 0.54018,
    "c": 0.21763,
    "h": 282.6
  },
  "luminance": 0.14014
}

Semantic roles & 50–950 ramp

primary
#644FE6
secondary
#DDE5AC
accent
#D70EBB
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#0F0A17
muted
#7F7C85

Preview Lab

Preview with #644FE6

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

Preview Lab → · Contrast checker → · Palette generator →

#644FE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva