#644FD9#644FD9

#644FD9 is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 53.0% C 0.202 H 284.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#644FD9
RGB	rgb(100, 79, 217)
HSL	hsl(249, 64%, 58%)
HSV	hsv(249, 64%, 85%)
CMYK	cmyk(53.9%, 63.6%, 0%, 14.9%)
CIE-LAB	lab(43.23, 44.92, -68.10)
CIE-LCH	lch(43.23, 81.58, 303.41°)
OKLab	oklab(52.96% 0.049 -0.1955)
OKLCH	oklch(52.96% 0.202 284.1)
XYZ	xyz(20.5721, 13.3099, 67.1172)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FD9 #C4D94F

analogous

#4F7FD9 #644FD9 #A94FD9

triadic

#644FD9 #D9644F #4FD964

tetradic

#644FD9 #D94F7F #C4D94F #4FD9A9

square

#644FD9 #D94F7F #C4D94F #4FD9A9

split-complementary

#644FD9 #D9A94F #7FD94F

monochromatic

#301F8F #412AC1 #644FD9 #9081E4 #BDB4EF

Accessibility & contrast

On white

5.73

#644FD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#644FD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FD9

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FD9	#FFFFFF	#000000	##FFFFFF
##644FD9	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADD

Deuteranopia (green-blind)

#0062D6

Tritanopia (blue-blind)

#30718D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644fd9;
/* rgb */ color: rgb(100, 79, 217);
/* oklch */ color: oklch(53.0% 0.202 284.1);

Tailwind

colors: {
  custom: {
    50: '#9a81e6',
    500: '#644fd9',
    950: '#000000',
  },
}

SCSS

$custom: #644fd9;
$custom-light: #9a81e6;
$custom-dark: #000000;

JSON

{
  "hex": "#644fd9",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 217
  },
  "hsl": {
    "h": 249.13,
    "s": 64.486,
    "l": 58.039
  },
  "oklch": {
    "l": 0.52956,
    "c": 0.2016,
    "h": 284.1
  },
  "luminance": 0.13311
}

Semantic roles & 50–950 ramp

primary

#644FD9

secondary

#D5DDA6

accent

#E740CE

background

#FAF8FE

surface

#F4EFFC

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644FD9

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

Preview Lab → · Contrast checker → · Palette generator →