#644DE5#644DE5

#644DE5 is a mid, highly saturated blue. Relative luminance 0.137; OKLCH L 53.6% C 0.219 H 283.1°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#644DE5
RGB	rgb(100, 77, 229)
HSL	hsl(249, 75%, 60%)
HSV	hsv(249, 66%, 90%)
CMYK	cmyk(56.3%, 66.4%, 0%, 10.2%)
CIE-LAB	lab(43.76, 49.63, -74.06)
CIE-LCH	lch(43.76, 89.15, 303.83°)
OKLab	oklab(53.64% 0.0494 -0.213)
OKLCH	oklch(53.64% 0.219 283.1)
XYZ	xyz(22.0479, 13.6728, 75.5909)
Luminance	0.1367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DE5 #CEE54D

analogous

#4D82E5 #644DE5 #B04DE5

triadic

#644DE5 #E5644D #4DE564

tetradic

#644DE5 #E54D82 #CEE54D #4DE5B0

square

#644DE5 #E54D82 #CEE54D #4DE5B0

split-complementary

#644DE5 #E5B04D #82E54D

monochromatic

#2C17A0 #3B1FD6 #644DE5 #9282ED #C1B8F5

Accessibility & contrast

On white

5.62

#644DE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#644DE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DE5

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DE5	#FFFFFF	#000000	##FFFFFF
##644DE5	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CEA

Deuteranopia (green-blind)

#0062E2

Tritanopia (blue-blind)

#207493

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #644de5;
/* rgb */ color: rgb(100, 77, 229);
/* oklch */ color: oklch(53.6% 0.219 283.1);

Tailwind

colors: {
  custom: {
    50: '#9c80ee',
    500: '#644de5',
    950: '#000000',
  },
}

SCSS

$custom: #644de5;
$custom-light: #9c80ee;
$custom-dark: #000000;

JSON

{
  "hex": "#644de5",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 229
  },
  "hsl": {
    "h": 249.079,
    "s": 74.51,
    "l": 60
  },
  "oklch": {
    "l": 0.53638,
    "c": 0.21871,
    "h": 283.1
  },
  "luminance": 0.13674
}

Semantic roles & 50–950 ramp

primary

#644DE5

secondary

#DBE4AA

accent

#F137D5

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A17

muted

#7F7C85

Preview Lab

Preview with #644DE5

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

Preview Lab → · Contrast checker → · Palette generator →