#644FEC#644FEC

#644FEC is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.5% C 0.225 H 282.0°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#644FEC
RGB	rgb(100, 79, 236)
HSL	hsl(248, 81%, 62%)
HSV	hsv(248, 67%, 93%)
CMYK	cmyk(57.6%, 66.5%, 0%, 7.5%)
CIE-LAB	lab(44.74, 50.61, -76.41)
CIE-LCH	lch(44.74, 91.66, 303.52°)
OKLab	oklab(54.52% 0.0468 -0.22)
OKLCH	oklch(54.52% 0.225 282)
XYZ	xyz(23.1871, 14.3559, 80.8897)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FEC #D7EC4F

analogous

#4F89EC #644FEC #B24FEC

triadic

#644FEC #EC644F #4FEC64

tetradic

#644FEC #EC4F89 #D7EC4F #4FECB2

square

#644FEC #EC4F89 #D7EC4F #4FECB2

split-complementary

#644FEC #ECB24F #89EC4F

monochromatic

#2813AE #3419E5 #644FEC #9586F2 #C5BDF8

Accessibility & contrast

On white

5.42

#644FEC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#644FEC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FEC

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FEC	#FFFFFF	#000000	##FFFFFF
##644FEC	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FF1

Deuteranopia (green-blind)

#0064E9

Tritanopia (blue-blind)

#0D7897

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #644fec;
/* rgb */ color: rgb(100, 79, 236);
/* oklch */ color: oklch(54.5% 0.225 282.0);

Tailwind

colors: {
  custom: {
    50: '#9d82f3',
    500: '#644fec',
    950: '#000000',
  },
}

SCSS

$custom: #644fec;
$custom-light: #9d82f3;
$custom-dark: #000000;

JSON

{
  "hex": "#644fec",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 236
  },
  "hsl": {
    "h": 248.025,
    "s": 80.513,
    "l": 61.765
  },
  "oklch": {
    "l": 0.5452,
    "c": 0.2249,
    "h": 282
  },
  "luminance": 0.14357
}

Semantic roles & 50–950 ramp

primary

#644FEC

secondary

#E1E8AE

accent

#DD09C0

background

#FAF8FF

surface

#F4EFFE

border

#CECAD6

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644FEC

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

Preview Lab → · Contrast checker → · Palette generator →