#644EE1#644EE1

#644EE1 is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.5% C 0.213 H 283.3°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#644EE1
RGB	rgb(100, 78, 225)
HSL	hsl(249, 71%, 59%)
HSV	hsv(249, 65%, 88%)
CMYK	cmyk(55.6%, 65.3%, 0%, 11.8%)
CIE-LAB	lab(43.64, 47.88, -71.98)
CIE-LCH	lch(43.64, 86.45, 303.63°)
OKLab	oklab(53.45% 0.0491 -0.2069)
OKLCH	oklch(53.45% 0.213 283.3)
XYZ	xyz(21.5664, 13.5930, 72.7069)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EE1 #CBE14E

analogous

#4E81E1 #644EE1 #AE4EE1

triadic

#644EE1 #E1644E #4EE164

tetradic

#644EE1 #E14E81 #CBE14E #4EE1AE

square

#644EE1 #E14E81 #CBE14E #4EE1AE

split-complementary

#644EE1 #E1AE4E #81E14E

monochromatic

#2D1A9A #3D23CF #644EE1 #9282EA #C0B7F3

Accessibility & contrast

On white

5.65

#644EE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#644EE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EE1

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EE1	#FFFFFF	#000000	##FFFFFF
##644EE1	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE6

Deuteranopia (green-blind)

#0062DE

Tritanopia (blue-blind)

#267391

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #644ee1;
/* rgb */ color: rgb(100, 78, 225);
/* oklch */ color: oklch(53.5% 0.213 283.3);

Tailwind

colors: {
  custom: {
    50: '#9b81eb',
    500: '#644ee1',
    950: '#000000',
  },
}

SCSS

$custom: #644ee1;
$custom-light: #9b81eb;
$custom-dark: #000000;

JSON

{
  "hex": "#644ee1",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 225
  },
  "hsl": {
    "h": 248.98,
    "s": 71.014,
    "l": 59.412
  },
  "oklch": {
    "l": 0.53454,
    "c": 0.21268,
    "h": 283.3
  },
  "luminance": 0.13594
}

Semantic roles & 50–950 ramp

primary

#644EE1

secondary

#D9E2A9

accent

#EE3AD3

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644EE1

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

Preview Lab → · Contrast checker → · Palette generator →