#644CE3#644CE3

#644CE3 is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 53.3% C 0.217 H 283.4°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#644CE3
RGB	rgb(100, 76, 227)
HSL	hsl(250, 73%, 59%)
HSV	hsv(250, 67%, 89%)
CMYK	cmyk(55.9%, 66.5%, 0%, 11%)
CIE-LAB	lab(43.39, 49.59, -73.52)
CIE-LCH	lch(43.39, 88.68, 304.00°)
OKLab	oklab(53.32% 0.0506 -0.2115)
OKLCH	oklch(53.32% 0.217 283.4)
XYZ	xyz(21.7008, 13.4229, 74.1055)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CE3 #CBE34C

analogous

#4C80E3 #644CE3 #AF4CE3

triadic

#644CE3 #E3644C #4CE364

tetradic

#644CE3 #E34C80 #CBE34C #4CE3AF

square

#644CE3 #E34C80 #CBE34C #4CE3AF

split-complementary

#644CE3 #E3AF4C #80E34C

monochromatic

#2D189C #3D21D1 #644CE3 #9281EB #C0B6F4

Accessibility & contrast

On white

5.70

#644CE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#644CE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CE3

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CE3	#FFFFFF	#000000	##FFFFFF
##644CE3	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE8

Deuteranopia (green-blind)

#0061E0

Tritanopia (blue-blind)

#237391

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644ce3;
/* rgb */ color: rgb(100, 76, 227);
/* oklch */ color: oklch(53.3% 0.217 283.4);

Tailwind

colors: {
  custom: {
    50: '#9c80ed',
    500: '#644ce3',
    950: '#000000',
  },
}

SCSS

$custom: #644ce3;
$custom-light: #9c80ed;
$custom-dark: #000000;

JSON

{
  "hex": "#644ce3",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 227
  },
  "hsl": {
    "h": 249.536,
    "s": 72.947,
    "l": 59.412
  },
  "oklch": {
    "l": 0.53324,
    "c": 0.21744,
    "h": 283.4
  },
  "luminance": 0.13424
}

Semantic roles & 50–950 ramp

primary

#644CE3

secondary

#D9E3A8

accent

#F038D2

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644CE3

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

Preview Lab → · Contrast checker → · Palette generator →