#644CE1#644CE1

#644CE1 is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 53.2% C 0.215 H 283.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#644CE1
RGB	rgb(100, 76, 225)
HSL	hsl(250, 71%, 59%)
HSV	hsv(250, 66%, 88%)
CMYK	cmyk(55.6%, 66.2%, 0%, 11.8%)
CIE-LAB	lab(43.23, 49.00, -72.65)
CIE-LCH	lch(43.23, 87.63, 304.00°)
OKLab	oklab(53.16% 0.0508 -0.2089)
OKLCH	oklch(53.16% 0.215 283.7)
XYZ	xyz(21.4264, 13.3132, 72.6602)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CE1 #C9E14C

analogous

#4C7FE1 #644CE1 #AE4CE1

triadic

#644CE1 #E1644C #4CE164

tetradic

#644CE1 #E14C7F #C9E14C #4CE1AE

square

#644CE1 #E14C7F #C9E14C #4CE1AE

split-complementary

#644CE1 #E1AE4C #7FE14C

monochromatic

#2E1A99 #3E22CD #644CE1 #9180EA #BFB5F3

Accessibility & contrast

On white

5.73

#644CE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#644CE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CE1

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CE1	#FFFFFF	#000000	##FFFFFF
##644CE1	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE6

Deuteranopia (green-blind)

#0061DE

Tritanopia (blue-blind)

#277290

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644ce1;
/* rgb */ color: rgb(100, 76, 225);
/* oklch */ color: oklch(53.2% 0.215 283.7);

Tailwind

colors: {
  custom: {
    50: '#9c80eb',
    500: '#644ce1',
    950: '#000000',
  },
}

SCSS

$custom: #644ce1;
$custom-light: #9c80eb;
$custom-dark: #000000;

JSON

{
  "hex": "#644ce1",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 225
  },
  "hsl": {
    "h": 249.664,
    "s": 71.292,
    "l": 59.02
  },
  "oklch": {
    "l": 0.53157,
    "c": 0.21501,
    "h": 283.7
  },
  "luminance": 0.13314
}

Semantic roles & 50–950 ramp

primary

#644CE1

secondary

#D8E2A7

accent

#EE3AD1

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644CE1

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

Preview Lab → · Contrast checker → · Palette generator →