#644DE7#644DE7

#644DE7 is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.8% C 0.221 H 282.8°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#644DE7
RGB	rgb(100, 77, 231)
HSL	hsl(249, 76%, 60%)
HSV	hsv(249, 67%, 91%)
CMYK	cmyk(56.7%, 66.7%, 0%, 9.4%)
CIE-LAB	lab(43.92, 50.23, -74.92)
CIE-LCH	lch(43.92, 90.20, 303.84°)
OKLab	oklab(53.81% 0.0492 -0.2156)
OKLCH	oklch(53.81% 0.221 282.8)
XYZ	xyz(22.3288, 13.7852, 77.0700)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DE7 #D0E74D

analogous

#4D83E7 #644DE7 #B14DE7

triadic

#644DE7 #E7644D #4DE764

tetradic

#644DE7 #E74D83 #D0E74D #4DE7B1

square

#644DE7 #E74D83 #D0E74D #4DE7B1

split-complementary

#644DE7 #E7B14D #83E74D

monochromatic

#2B16A4 #391DD9 #644DE7 #9383EE #C2B9F6

Accessibility & contrast

On white

5.59

#644DE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#644DE7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DE7

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DE7	#FFFFFF	#000000	##FFFFFF
##644DE7	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEC

Deuteranopia (green-blind)

#0063E4

Tritanopia (blue-blind)

#1C7594

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644de7;
/* rgb */ color: rgb(100, 77, 231);
/* oklch */ color: oklch(53.8% 0.221 282.8);

Tailwind

colors: {
  custom: {
    50: '#9c81f0',
    500: '#644de7',
    950: '#000000',
  },
}

SCSS

$custom: #644de7;
$custom-light: #9c81f0;
$custom-dark: #000000;

JSON

{
  "hex": "#644de7",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 231
  },
  "hsl": {
    "h": 248.961,
    "s": 76.238,
    "l": 60.392
  },
  "oklch": {
    "l": 0.53806,
    "c": 0.22112,
    "h": 282.8
  },
  "luminance": 0.13787
}

Semantic roles & 50–950 ramp

primary

#644DE7

secondary

#DDE5AA

accent

#D80DBA

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644DE7

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

Preview Lab → · Contrast checker → · Palette generator →