#644FD8#644FD8

#644FD8 is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.9% C 0.200 H 284.2°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#644FD8
RGB	rgb(100, 79, 216)
HSL	hsl(249, 64%, 58%)
HSV	hsv(249, 63%, 85%)
CMYK	cmyk(53.7%, 63.4%, 0%, 15.3%)
CIE-LAB	lab(43.15, 44.62, -67.65)
CIE-LCH	lch(43.15, 81.04, 303.41°)
OKLab	oklab(52.88% 0.0491 -0.1942)
OKLCH	oklch(52.88% 0.2 284.2)
XYZ	xyz(20.4424, 13.2580, 66.4343)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FD8 #C3D84F

analogous

#4F7ED8 #644FD8 #A84FD8

triadic

#644FD8 #D8644F #4FD864

tetradic

#644FD8 #D84F7E #C3D84F #4FD8A8

square

#644FD8 #D84F7E #C3D84F #4FD8A8

split-complementary

#644FD8 #D8A84F #7ED84F

monochromatic

#301F8D #412ABF #644FD8 #9081E3 #BCB3EE

Accessibility & contrast

On white

5.75

#644FD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#644FD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FD8

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FD8	#FFFFFF	#000000	##FFFFFF
##644FD8	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADC

Deuteranopia (green-blind)

#0061D5

Tritanopia (blue-blind)

#31718C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644fd8;
/* rgb */ color: rgb(100, 79, 216);
/* oklch */ color: oklch(52.9% 0.200 284.2);

Tailwind

colors: {
  custom: {
    50: '#9a81e5',
    500: '#644fd8',
    950: '#000000',
  },
}

SCSS

$custom: #644fd8;
$custom-light: #9a81e5;
$custom-dark: #000000;

JSON

{
  "hex": "#644fd8",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 216
  },
  "hsl": {
    "h": 249.197,
    "s": 63.721,
    "l": 57.843
  },
  "oklch": {
    "l": 0.52876,
    "c": 0.20034,
    "h": 284.2
  },
  "luminance": 0.13259
}

Semantic roles & 50–950 ramp

primary

#644FD8

secondary

#D4DDA6

accent

#E741CD

background

#FAF8FE

surface

#F3EFFC

border

#CDCAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644FD8

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

Preview Lab → · Contrast checker → · Palette generator →