#644FE0#644FE0

#644FE0 is a mid, highly saturated blue. Relative luminance 0.137; OKLCH L 53.5% C 0.210 H 283.3°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#644FE0
RGB	rgb(100, 79, 224)
HSL	hsl(249, 70%, 59%)
HSV	hsv(249, 65%, 88%)
CMYK	cmyk(55.4%, 64.7%, 0%, 12.2%)
CIE-LAB	lab(43.77, 47.02, -71.20)
CIE-LCH	lch(43.77, 85.32, 303.44°)
OKLab	oklab(53.52% 0.0483 -0.2046)
OKLCH	oklch(53.52% 0.21 283.3)
XYZ	xyz(21.5019, 13.6818, 72.0144)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FE0 #CBE04F

analogous

#4F82E0 #644FE0 #AD4FE0

triadic

#644FE0 #E0644F #4FE064

tetradic

#644FE0 #E04F82 #CBE04F #4FE0AD

square

#644FE0 #E04F82 #CBE04F #4FE0AD

split-complementary

#644FE0 #E0AD4F #82E04F

monochromatic

#2D1B9A #3D24CE #644FE0 #9283E9 #C0B7F2

Accessibility & contrast

On white

5.62

#644FE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#644FE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FE0

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FE0	#FFFFFF	#000000	##FFFFFF
##644FE0	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE5

Deuteranopia (green-blind)

#0063DD

Tritanopia (blue-blind)

#277391

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #644fe0;
/* rgb */ color: rgb(100, 79, 224);
/* oklch */ color: oklch(53.5% 0.210 283.3);

Tailwind

colors: {
  custom: {
    50: '#9b82eb',
    500: '#644fe0',
    950: '#000000',
  },
}

SCSS

$custom: #644fe0;
$custom-light: #9b82eb;
$custom-dark: #000000;

JSON

{
  "hex": "#644fe0",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 224
  },
  "hsl": {
    "h": 248.69,
    "s": 70.048,
    "l": 59.412
  },
  "oklch": {
    "l": 0.53523,
    "c": 0.21027,
    "h": 283.3
  },
  "luminance": 0.13683
}

Semantic roles & 50–950 ramp

primary

#644FE0

secondary

#D9E2A9

accent

#ED3BD3

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644FE0

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

Preview Lab → · Contrast checker → · Palette generator →