#644DE3#644DE3

#644DE3 is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.5% C 0.216 H 283.3°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#644DE3
RGB	rgb(100, 77, 227)
HSL	hsl(249, 73%, 60%)
HSV	hsv(249, 66%, 89%)
CMYK	cmyk(55.9%, 66.1%, 0%, 11%)
CIE-LAB	lab(43.60, 49.04, -73.19)
CIE-LCH	lch(43.60, 88.10, 303.82°)
OKLab	oklab(53.47% 0.0497 -0.2105)
OKLCH	oklch(53.47% 0.216 283.3)
XYZ	xyz(21.7703, 13.5618, 74.1287)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DE3 #CCE34D

analogous

#4D81E3 #644DE3 #AF4DE3

triadic

#644DE3 #E3644D #4DE364

tetradic

#644DE3 #E34D81 #CCE34D #4DE3AF

square

#644DE3 #E34D81 #CCE34D #4DE3AF

split-complementary

#644DE3 #E3AF4D #81E34D

monochromatic

#2D199D #3C21D2 #644DE3 #9282EB #C0B7F4

Accessibility & contrast

On white

5.66

#644DE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#644DE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DE3

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DE3	#FFFFFF	#000000	##FFFFFF
##644DE3	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE8

Deuteranopia (green-blind)

#0062E0

Tritanopia (blue-blind)

#237392

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #644de3;
/* rgb */ color: rgb(100, 77, 227);
/* oklch */ color: oklch(53.5% 0.216 283.3);

Tailwind

colors: {
  custom: {
    50: '#9c80ed',
    500: '#644de3',
    950: '#000000',
  },
}

SCSS

$custom: #644de3;
$custom-light: #9c80ed;
$custom-dark: #000000;

JSON

{
  "hex": "#644de3",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 227
  },
  "hsl": {
    "h": 249.2,
    "s": 72.816,
    "l": 59.608
  },
  "oklch": {
    "l": 0.53471,
    "c": 0.21629,
    "h": 283.3
  },
  "luminance": 0.13563
}

Semantic roles & 50–950 ramp

primary

#644DE3

secondary

#DAE3A9

accent

#F038D3

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644DE3

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

Preview Lab → · Contrast checker → · Palette generator →