#644CEB#644CEB

#644CEB is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 54.0% C 0.227 H 282.6°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#644CEB
RGB	rgb(100, 76, 235)
HSL	hsl(249, 80%, 61%)
HSV	hsv(249, 68%, 92%)
CMYK	cmyk(57.4%, 67.7%, 0%, 7.8%)
CIE-LAB	lab(44.05, 51.96, -76.97)
CIE-LCH	lch(44.05, 92.87, 304.02°)
OKLab	oklab(54% 0.0494 -0.2216)
OKLCH	oklch(54% 0.227 282.6)
XYZ	xyz(22.8307, 13.8749, 80.0562)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CEB #D3EB4C

analogous

#4C83EB #644CEB #B44CEB

triadic

#644CEB #EB644C #4CEB64

tetradic

#644CEB #EB4C83 #D3EB4C #4CEBB4

square

#644CEB #EB4C83 #D3EB4C #4CEBB4

split-complementary

#644CEB #EBB44C #83EB4C

monochromatic

#2A13AA #3719E1 #644CEB #9483F1 #C3BAF7

Accessibility & contrast

On white

5.56

#644CEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#644CEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CEB

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CEB	#FFFFFF	#000000	##FFFFFF
##644CEB	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DF0

Deuteranopia (green-blind)

#0063E8

Tritanopia (blue-blind)

#127696

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644ceb;
/* rgb */ color: rgb(100, 76, 235);
/* oklch */ color: oklch(54.0% 0.227 282.6);

Tailwind

colors: {
  custom: {
    50: '#9d80f3',
    500: '#644ceb',
    950: '#000000',
  },
}

SCSS

$custom: #644ceb;
$custom-light: #9d80f3;
$custom-dark: #000000;

JSON

{
  "hex": "#644ceb",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 235
  },
  "hsl": {
    "h": 249.057,
    "s": 79.899,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54001,
    "c": 0.22704,
    "h": 282.6
  },
  "luminance": 0.13876
}

Semantic roles & 50–950 ramp

primary

#644CEB

secondary

#DEE7AB

accent

#DC09BC

background

#FAF7FF

surface

#F4EEFE

border

#CEC9D6

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644CEB

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

Preview Lab → · Contrast checker → · Palette generator →