#644FF0#644FF0

#644FF0 is a mid, highly saturated blue. Relative luminance 0.146; OKLCH L 54.9% C 0.230 H 281.6°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#644FF0
RGBrgb(100, 79, 240)
HSLhsl(248, 84%, 63%)
HSVhsv(248, 67%, 94%)
CMYKcmyk(58.3%, 67.1%, 0%, 5.9%)
CIE-LABlab(45.07, 51.81, -78.13)
CIE-LCHlch(45.07, 93.75, 303.55°)
OKLaboklab(54.86% 0.0463 -0.225)
OKLCHoklch(54.86% 0.23 281.6)
XYZxyz(23.7748, 14.5909, 83.9847)
Luminance0.1459 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644FF0 #DBF04F
analogous
#4F8BF0 #644FF0 #B44FF0
triadic
#644FF0 #F0644F #4FF064
tetradic
#644FF0 #F04F8B #DBF04F #4FF0B4
square
#644FF0 #F04F8B #DBF04F #4FF0B4
split-complementary
#644FF0 #F0B44F #8BF04F
monochromatic
#250FB5 #3217EB #644FF0 #9687F5 #C7C0FA

Accessibility & contrast

On white

5.36
#644FF0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.92
#644FF0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FF0
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644FF0#FFFFFF#000000##FFFFFF
##644FF01.005.363.925.36
#FFFFFF5.361.0021.001.00
#0000003.9221.001.0021.00
##FFFFFF5.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0070F5
Deuteranopia (green-blind)
#0065ED
Tritanopia (blue-blind)
#007999
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #644ff0;
/* rgb */ color: rgb(100, 79, 240);
/* oklch */ color: oklch(54.9% 0.230 281.6);
Tailwind
colors: {
  custom: {
    50: '#9e82f6',
    500: '#644ff0',
    950: '#000000',
  },
}
SCSS
$custom: #644ff0;
$custom-light: #9e82f6;
$custom-dark: #000000;
JSON
{
  "hex": "#644ff0",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 240
  },
  "hsl": {
    "h": 247.826,
    "s": 84.293,
    "l": 62.549
  },
  "oklch": {
    "l": 0.54859,
    "c": 0.2297,
    "h": 281.6
  },
  "luminance": 0.14593
}

Semantic roles & 50–950 ramp

primary
#644FF0
secondary
#E3EBB0
accent
#E105C4
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#100B17
muted
#7F7C85

Preview Lab

Preview with #644FF0

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

Preview Lab → · Contrast checker → · Palette generator →

#644FF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva