#644FDC#644FDC

#644FDC is a mid, highly saturated blue. Relative luminance 0.135; OKLCH L 53.2% C 0.205 H 283.7°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#644FDC
RGB	rgb(100, 79, 220)
HSL	hsl(249, 67%, 59%)
HSV	hsv(249, 64%, 86%)
CMYK	cmyk(54.5%, 64.1%, 0%, 13.7%)
CIE-LAB	lab(43.46, 45.82, -69.43)
CIE-LCH	lch(43.46, 83.19, 303.42°)
OKLab	oklab(53.2% 0.0487 -0.1995)
OKLCH	oklch(53.2% 0.205 283.7)
XYZ	xyz(20.9658, 13.4674, 69.1910)
Luminance	0.1347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FDC #C7DC4F

analogous

#4F80DC #644FDC #AA4FDC

triadic

#644FDC #DC644F #4FDC64

tetradic

#644FDC #DC4F80 #C7DC4F #4FDCAA

square

#644FDC #DC4F80 #C7DC4F #4FDCAA

split-complementary

#644FDC #DCAA4F #80DC4F

monochromatic

#2F1D93 #3F27C6 #644FDC #9182E6 #BEB5F0

Accessibility & contrast

On white

5.69

#644FDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#644FDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FDC

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FDC	#FFFFFF	#000000	##FFFFFF
##644FDC	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE0

Deuteranopia (green-blind)

#0062D9

Tritanopia (blue-blind)

#2D728E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #644fdc;
/* rgb */ color: rgb(100, 79, 220);
/* oklch */ color: oklch(53.2% 0.205 283.7);

Tailwind

colors: {
  custom: {
    50: '#9b82e8',
    500: '#644fdc',
    950: '#000000',
  },
}

SCSS

$custom: #644fdc;
$custom-light: #9b82e8;
$custom-dark: #000000;

JSON

{
  "hex": "#644fdc",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 220
  },
  "hsl": {
    "h": 248.936,
    "s": 66.825,
    "l": 58.627
  },
  "oklch": {
    "l": 0.53198,
    "c": 0.20533,
    "h": 283.7
  },
  "luminance": 0.13469
}

Semantic roles & 50–950 ramp

primary

#644FDC

secondary

#D7DFA8

accent

#EA3ED0

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644FDC

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

Preview Lab → · Contrast checker → · Palette generator →