#644DEA#644DEA

#644DEA is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 54.1% C 0.225 H 282.5°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX#644DEA
RGBrgb(100, 77, 234)
HSLhsl(249, 79%, 61%)
HSVhsv(249, 67%, 92%)
CMYKcmyk(57.3%, 67.1%, 0%, 8.2%)
CIE-LABlab(44.17, 51.12, -76.22)
CIE-LCHlch(44.17, 91.77, 303.85°)
OKLaboklab(54.06% 0.0487 -0.2194)
OKLCHoklch(54.06% 0.225 282.5)
XYZxyz(22.7561, 13.9561, 79.3206)
Luminance0.1396 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644DEA #D3EA4D
analogous
#4D84EA #644DEA #B24DEA
triadic
#644DEA #EA644D #4DEA64
tetradic
#644DEA #EA4D84 #D3EA4D #4DEAB2
square
#644DEA #EA4D84 #D3EA4D #4DEAB2
split-complementary
#644DEA #EAB24D #84EA4D
monochromatic
#2A14A9 #371ADF #644DEA #9484F0 #C3BAF7

Accessibility & contrast

On white

5.54
#644DEA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.79
#644DEA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DEA
5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644DEA#FFFFFF#000000##FFFFFF
##644DEA1.005.543.795.54
#FFFFFF5.541.0021.001.00
#0000003.7921.001.0021.00
##FFFFFF5.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006EEF
Deuteranopia (green-blind)
#0063E7
Tritanopia (blue-blind)
#147695
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #644dea;
/* rgb */ color: rgb(100, 77, 234);
/* oklch */ color: oklch(54.1% 0.225 282.5);
Tailwind
colors: {
  custom: {
    50: '#9d81f2',
    500: '#644dea',
    950: '#000000',
  },
}
SCSS
$custom: #644dea;
$custom-light: #9d81f2;
$custom-dark: #000000;
JSON
{
  "hex": "#644dea",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 234
  },
  "hsl": {
    "h": 248.79,
    "s": 78.894,
    "l": 60.98
  },
  "oklch": {
    "l": 0.5406,
    "c": 0.22474,
    "h": 282.5
  },
  "luminance": 0.13958
}

Semantic roles & 50–950 ramp

primary
#644DEA
secondary
#DEE7AC
accent
#DB0ABD
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#100A17
muted
#7F7C85

Preview Lab

Preview with #644DEA

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

Preview Lab → · Contrast checker → · Palette generator →

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