#644FE5#644FE5

#644FE5 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 53.9% C 0.216 H 282.7°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#644FE5
RGB	rgb(100, 79, 229)
HSL	hsl(248, 74%, 60%)
HSV	hsv(248, 66%, 90%)
CMYK	cmyk(56.3%, 65.5%, 0%, 10.2%)
CIE-LAB	lab(44.17, 48.52, -73.39)
CIE-LCH	lch(44.17, 87.97, 303.47°)
OKLab	oklab(53.94% 0.0477 -0.2111)
OKLCH	oklch(53.94% 0.216 282.7)
XYZ	xyz(22.1900, 13.9570, 75.6382)
Luminance	0.1396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FE5 #D0E54F

analogous

#4F85E5 #644FE5 #AF4FE5

triadic

#644FE5 #E5644F #4FE564

tetradic

#644FE5 #E54F85 #D0E54F #4FE5AF

square

#644FE5 #E54F85 #D0E54F #4FE5AF

split-complementary

#644FE5 #E5AF4F #85E54F

monochromatic

#2B18A2 #3920D7 #644FE5 #9384ED #C2BAF5

Accessibility & contrast

On white

5.54

#644FE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#644FE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FE5

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FE5	#FFFFFF	#000000	##FFFFFF
##644FE5	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEA

Deuteranopia (green-blind)

#0063E2

Tritanopia (blue-blind)

#1F7593

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644fe5;
/* rgb */ color: rgb(100, 79, 229);
/* oklch */ color: oklch(53.9% 0.216 282.7);

Tailwind

colors: {
  custom: {
    50: '#9c82ee',
    500: '#644fe5',
    950: '#000000',
  },
}

SCSS

$custom: #644fe5;
$custom-light: #9c82ee;
$custom-dark: #000000;

JSON

{
  "hex": "#644fe5",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 229
  },
  "hsl": {
    "h": 248.4,
    "s": 74.257,
    "l": 60.392
  },
  "oklch": {
    "l": 0.53935,
    "c": 0.21641,
    "h": 282.7
  },
  "luminance": 0.13958
}

Semantic roles & 50–950 ramp

primary

#644FE5

secondary

#DDE5AB

accent

#D60FBA

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A17

muted

#7F7C85

Preview Lab

Preview with #644FE5

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

Preview Lab → · Contrast checker → · Palette generator →