#644ED6#644ED6

#644ED6 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.6% C 0.199 H 284.6°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#644ED6
RGBrgb(100, 78, 214)
HSLhsl(250, 62%, 57%)
HSVhsv(250, 64%, 84%)
CMYKcmyk(53.3%, 63.6%, 0%, 16.1%)
CIE-LABlab(42.78, 44.59, -67.10)
CIE-LCHlch(42.78, 80.57, 303.60°)
OKLaboklab(52.56% 0.0503 -0.1926)
OKLCHoklch(52.56% 0.199 284.6)
XYZxyz(20.1139, 13.0120, 65.0570)
Luminance0.1301 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644ED6 #C0D64E
analogous
#4E7CD6 #644ED6 #A84ED6
triadic
#644ED6 #D6644E #4ED664
tetradic
#644ED6 #D64E7C #C0D64E #4ED6A8
square
#644ED6 #D64E7C #C0D64E #4ED6A8
split-complementary
#644ED6 #D6A84E #7CD64E
monochromatic
#31208A #432BBB #644ED6 #9080E2 #BBB1ED

Accessibility & contrast

On white

5.83
#644ED6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.60
#644ED6 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ED6
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644ED6#FFFFFF#000000##FFFFFF
##644ED61.005.833.605.83
#FFFFFF5.831.0021.001.00
#0000003.6021.001.0021.00
##FFFFFF5.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0069DA
Deuteranopia (green-blind)
#0061D3
Tritanopia (blue-blind)
#346F8B
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #644ed6;
/* rgb */ color: rgb(100, 78, 214);
/* oklch */ color: oklch(52.6% 0.199 284.6);
Tailwind
colors: {
  custom: {
    50: '#9a81e4',
    500: '#644ed6',
    950: '#000000',
  },
}
SCSS
$custom: #644ed6;
$custom-light: #9a81e4;
$custom-dark: #000000;
JSON
{
  "hex": "#644ed6",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 214
  },
  "hsl": {
    "h": 249.706,
    "s": 62.385,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52561,
    "c": 0.19908,
    "h": 284.6
  },
  "luminance": 0.13013
}

Semantic roles & 50–950 ramp

primary
#644ED6
secondary
#D3DBA4
accent
#E542CB
background
#FAF7FE
surface
#F3EEFC
border
#CDC9D5
text
#0F0A16
muted
#7F7C84

Preview Lab

Preview with #644ED6

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

Preview Lab → · Contrast checker → · Palette generator →

#644ED6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva