#644FEA#644FEA

#644FEA is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 54.4% C 0.222 H 282.2°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX#644FEA
RGBrgb(100, 79, 234)
HSLhsl(248, 79%, 61%)
HSVhsv(248, 66%, 92%)
CMYKcmyk(57.3%, 66.2%, 0%, 8.2%)
CIE-LABlab(44.58, 50.02, -75.55)
CIE-LCHlch(44.58, 90.61, 303.50°)
OKLaboklab(54.35% 0.0471 -0.2174)
OKLCHoklch(54.35% 0.222 282.2)
XYZxyz(22.8982, 14.2403, 79.3680)
Luminance0.1424 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644FEA #D5EA4F
analogous
#4F88EA #644FEA #B24FEA
triadic
#644FEA #EA644F #4FEA64
tetradic
#644FEA #EA4F88 #D5EA4F #4FEAB2
square
#644FEA #EA4F88 #D5EA4F #4FEAB2
split-complementary
#644FEA #EAB24F #88EA4F
monochromatic
#2914AA #361BE1 #644FEA #9486F1 #C4BCF7

Accessibility & contrast

On white

5.46
#644FEA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.85
#644FEA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FEA
5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644FEA#FFFFFF#000000##FFFFFF
##644FEA1.005.463.855.46
#FFFFFF5.461.0021.001.00
#0000003.8521.001.0021.00
##FFFFFF5.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006FEF
Deuteranopia (green-blind)
#0064E7
Tritanopia (blue-blind)
#147796
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #644fea;
/* rgb */ color: rgb(100, 79, 234);
/* oklch */ color: oklch(54.4% 0.222 282.2);
Tailwind
colors: {
  custom: {
    50: '#9d82f2',
    500: '#644fea',
    950: '#000000',
  },
}
SCSS
$custom: #644fea;
$custom-light: #9d82f2;
$custom-dark: #000000;
JSON
{
  "hex": "#644fea",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 234
  },
  "hsl": {
    "h": 248.129,
    "s": 78.68,
    "l": 61.373
  },
  "oklch": {
    "l": 0.54352,
    "c": 0.22248,
    "h": 282.2
  },
  "luminance": 0.14242
}

Semantic roles & 50–950 ramp

primary
#644FEA
secondary
#E0E7AD
accent
#DB0BBF
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#100A17
muted
#7F7C85

Preview Lab

Preview with #644FEA

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

Preview Lab → · Contrast checker → · Palette generator →

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