#644FE4#644FE4

#644FE4 is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 53.9% C 0.215 H 282.8°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#644FE4
RGB	rgb(100, 79, 228)
HSL	hsl(248, 73%, 60%)
HSV	hsv(248, 65%, 89%)
CMYK	cmyk(56.1%, 65.4%, 0%, 10.6%)
CIE-LAB	lab(44.09, 48.22, -72.95)
CIE-LCH	lch(44.09, 87.45, 303.46°)
OKLab	oklab(53.85% 0.0478 -0.2098)
OKLCH	oklch(53.85% 0.215 282.8)
XYZ	xyz(22.0508, 13.9013, 74.9050)
Luminance	0.1390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FE4 #CFE44F

analogous

#4F85E4 #644FE4 #AE4FE4

triadic

#644FE4 #E4644F #4FE464

tetradic

#644FE4 #E44F85 #CFE44F #4FE4AE

square

#644FE4 #E44F85 #CFE44F #4FE4AE

split-complementary

#644FE4 #E4AE4F #85E44F

monochromatic

#2C19A0 #3A21D5 #644FE4 #9384EC #C1B9F4

Accessibility & contrast

On white

5.55

#644FE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#644FE4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FE4

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FE4	#FFFFFF	#000000	##FFFFFF
##644FE4	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE9

Deuteranopia (green-blind)

#0063E1

Tritanopia (blue-blind)

#217593

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644fe4;
/* rgb */ color: rgb(100, 79, 228);
/* oklch */ color: oklch(53.9% 0.215 282.8);

Tailwind

colors: {
  custom: {
    50: '#9c82ee',
    500: '#644fe4',
    950: '#000000',
  },
}

SCSS

$custom: #644fe4;
$custom-light: #9c82ee;
$custom-dark: #000000;

JSON

{
  "hex": "#644fe4",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 228
  },
  "hsl": {
    "h": 248.456,
    "s": 73.399,
    "l": 60.196
  },
  "oklch": {
    "l": 0.53852,
    "c": 0.21519,
    "h": 282.8
  },
  "luminance": 0.13903
}

Semantic roles & 50–950 ramp

primary

#644FE4

secondary

#DCE4AB

accent

#D610BA

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644FE4

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

Preview Lab → · Contrast checker → · Palette generator →