#644FE9#644FE9

#644FE9 is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 54.3% C 0.221 H 282.3°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX#644FE9
RGBrgb(100, 79, 233)
HSLhsl(248, 78%, 61%)
HSVhsv(248, 66%, 91%)
CMYKcmyk(57.1%, 66.1%, 0%, 8.6%)
CIE-LABlab(44.49, 49.72, -75.12)
CIE-LCHlch(44.49, 90.08, 303.50°)
OKLaboklab(54.27% 0.0472 -0.2162)
OKLCHoklch(54.27% 0.221 282.3)
XYZxyz(22.7549, 14.1830, 78.6135)
Luminance0.1418 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644FE9 #D4E94F
analogous
#4F87E9 #644FE9 #B14FE9
triadic
#644FE9 #E9644F #4FE964
tetradic
#644FE9 #E94F87 #D4E94F #4FE9B1
square
#644FE9 #E94F87 #D4E94F #4FE9B1
split-complementary
#644FE9 #E9B14F #87E94F
monochromatic
#2915A9 #361CDF #644FE9 #9485F0 #C4BCF7

Accessibility & contrast

On white

5.47
#644FE9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.84
#644FE9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FE9
5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644FE9#FFFFFF#000000##FFFFFF
##644FE91.005.473.845.47
#FFFFFF5.471.0021.001.00
#0000003.8421.001.0021.00
##FFFFFF5.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006EEE
Deuteranopia (green-blind)
#0064E6
Tritanopia (blue-blind)
#177795
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #644fe9;
/* rgb */ color: rgb(100, 79, 233);
/* oklch */ color: oklch(54.3% 0.221 282.3);
Tailwind
colors: {
  custom: {
    50: '#9d82f1',
    500: '#644fe9',
    950: '#000000',
  },
}
SCSS
$custom: #644fe9;
$custom-light: #9d82f1;
$custom-dark: #000000;
JSON
{
  "hex": "#644fe9",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 233
  },
  "hsl": {
    "h": 248.182,
    "s": 77.778,
    "l": 61.176
  },
  "oklch": {
    "l": 0.54268,
    "c": 0.22127,
    "h": 282.3
  },
  "luminance": 0.14184
}

Semantic roles & 50–950 ramp

primary
#644FE9
secondary
#DFE7AD
accent
#DA0BBE
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#100A17
muted
#7F7C85

Preview Lab

Preview with #644FE9

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

Preview Lab → · Contrast checker → · Palette generator →

#644FE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva