#644CEC#644CEC

#644CEC is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 54.1% C 0.228 H 282.5°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#644CEC
RGB	rgb(100, 76, 236)
HSL	hsl(249, 81%, 61%)
HSV	hsv(249, 68%, 93%)
CMYK	cmyk(57.6%, 67.8%, 0%, 7.5%)
CIE-LAB	lab(44.14, 52.26, -77.40)
CIE-LCH	lch(44.14, 93.39, 304.03°)
OKLab	oklab(54.09% 0.0492 -0.2229)
OKLCH	oklch(54.09% 0.228 282.5)
XYZ	xyz(22.9756, 13.9328, 80.8192)
Luminance	0.1393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CEC #D4EC4C

analogous

#4C84EC #644CEC #B44CEC

triadic

#644CEC #EC644C #4CEC64

tetradic

#644CEC #EC4C84 #D4EC4C #4CECB4

square

#644CEC #EC4C84 #D4EC4C #4CECB4

split-complementary

#644CEC #ECB44C #84EC4C

monochromatic

#2912AB #3618E3 #644CEC #9483F2 #C4BBF8

Accessibility & contrast

On white

5.55

#644CEC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#644CEC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CEC

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CEC	#FFFFFF	#000000	##FFFFFF
##644CEC	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EF1

Deuteranopia (green-blind)

#0063E9

Tritanopia (blue-blind)

#0E7696

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644cec;
/* rgb */ color: rgb(100, 76, 236);
/* oklch */ color: oklch(54.1% 0.228 282.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#644cec",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 236
  },
  "hsl": {
    "h": 249,
    "s": 80.808,
    "l": 61.176
  },
  "oklch": {
    "l": 0.54087,
    "c": 0.22823,
    "h": 282.5
  },
  "luminance": 0.13934
}

Semantic roles & 50–950 ramp

primary

#644CEC

secondary

#DFE8AC

accent

#DD08BD

background

#FAF7FF

surface

#F4EEFE

border

#CEC9D6

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644CEC

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

Preview Lab → · Contrast checker → · Palette generator →