#644FD5#644FD5

#644FD5 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.6% C 0.197 H 284.5°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#644FD5
RGB	rgb(100, 79, 213)
HSL	hsl(249, 61%, 57%)
HSV	hsv(249, 63%, 84%)
CMYK	cmyk(53.1%, 62.9%, 0%, 16.5%)
CIE-LAB	lab(42.92, 43.72, -66.31)
CIE-LCH	lch(42.92, 79.42, 303.40°)
OKLab	oklab(52.64% 0.0494 -0.1903)
OKLCH	oklch(52.64% 0.197 284.5)
XYZ	xyz(20.0581, 13.1043, 64.4103)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FD5 #C0D54F

analogous

#4F7DD5 #644FD5 #A74FD5

triadic

#644FD5 #D5644F #4FD564

tetradic

#644FD5 #D54F7D #C0D54F #4FD5A7

square

#644FD5 #D54F7D #C0D54F #4FD5A7

split-complementary

#644FD5 #D5A74F #7DD54F

monochromatic

#312189 #432CBA #644FD5 #9080E1 #BBB2ED

Accessibility & contrast

On white

5.80

#644FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#644FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FD5

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FD5	#FFFFFF	#000000	##FFFFFF
##644FD5	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D9

Deuteranopia (green-blind)

#0061D2

Tritanopia (blue-blind)

#35708B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #644fd5;
/* rgb */ color: rgb(100, 79, 213);
/* oklch */ color: oklch(52.6% 0.197 284.5);

Tailwind

colors: {
  custom: {
    50: '#9a81e3',
    500: '#644fd5',
    950: '#000000',
  },
}

SCSS

$custom: #644fd5;
$custom-light: #9a81e3;
$custom-dark: #000000;

JSON

{
  "hex": "#644fd5",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 213
  },
  "hsl": {
    "h": 249.403,
    "s": 61.468,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52638,
    "c": 0.19658,
    "h": 284.5
  },
  "luminance": 0.13105
}

Semantic roles & 50–950 ramp

primary

#644FD5

secondary

#D3DBA5

accent

#E543CB

background

#FAF8FE

surface

#F3EFFC

border

#CDCAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644FD5

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

Preview Lab → · Contrast checker → · Palette generator →