#644FE8#644FE8

#644FE8 is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 54.2% C 0.220 H 282.4°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX#644FE8
RGBrgb(100, 79, 232)
HSLhsl(248, 77%, 61%)
HSVhsv(248, 66%, 91%)
CMYKcmyk(56.9%, 65.9%, 0%, 9%)
CIE-LABlab(44.41, 49.42, -74.69)
CIE-LCHlch(44.41, 89.56, 303.49°)
OKLaboklab(54.18% 0.0474 -0.2149)
OKLCHoklch(54.18% 0.22 282.4)
XYZxyz(22.6125, 14.1260, 77.8633)
Luminance0.1413 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644FE8 #D3E84F
analogous
#4F86E8 #644FE8 #B04FE8
triadic
#644FE8 #E8644F #4FE864
tetradic
#644FE8 #E84F86 #D3E84F #4FE8B0
square
#644FE8 #E84F86 #D3E84F #4FE8B0
split-complementary
#644FE8 #E8B04F #86E84F
monochromatic
#2A16A7 #371DDD #644FE8 #9485EF #C3BBF6

Accessibility & contrast

On white

5.49
#644FE8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.83
#644FE8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FE8
5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644FE8#FFFFFF#000000##FFFFFF
##644FE81.005.493.835.49
#FFFFFF5.491.0021.001.00
#0000003.8321.001.0021.00
##FFFFFF5.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006EED
Deuteranopia (green-blind)
#0064E5
Tritanopia (blue-blind)
#197695
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #644fe8;
/* rgb */ color: rgb(100, 79, 232);
/* oklch */ color: oklch(54.2% 0.220 282.4);
Tailwind
colors: {
  custom: {
    50: '#9c82f0',
    500: '#644fe8',
    950: '#000000',
  },
}
SCSS
$custom: #644fe8;
$custom-light: #9c82f0;
$custom-dark: #000000;
JSON
{
  "hex": "#644fe8",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 232
  },
  "hsl": {
    "h": 248.235,
    "s": 76.884,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54184,
    "c": 0.22005,
    "h": 282.4
  },
  "luminance": 0.14127
}

Semantic roles & 50–950 ramp

primary
#644FE8
secondary
#DEE6AD
accent
#D90CBD
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#100A17
muted
#7F7C85

Preview Lab

Preview with #644FE8

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

Preview Lab → · Contrast checker → · Palette generator →

#644FE8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva