#644CDE#644CDE

#644CDE is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.9% C 0.211 H 284.0°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#644CDE
RGB	rgb(100, 76, 222)
HSL	hsl(250, 69%, 58%)
HSV	hsv(250, 66%, 87%)
CMYK	cmyk(55%, 65.8%, 0%, 12.9%)
CIE-LAB	lab(42.99, 48.10, -71.34)
CIE-LCH	lch(42.99, 86.04, 303.99°)
OKLab	oklab(52.91% 0.0512 -0.2051)
OKLCH	oklch(52.91% 0.211 284)
XYZ	xyz(21.0208, 13.1509, 70.5238)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CDE #C6DE4C

analogous

#4C7DDE #644CDE #AD4CDE

triadic

#644CDE #DE644C #4CDE64

tetradic

#644CDE #DE4C7D #C6DE4C #4CDEAD

square

#644CDE #DE4C7D #C6DE4C #4CDEAD

split-complementary

#644CDE #DEAD4C #7DDE4C

monochromatic

#2F1B94 #4025C8 #644CDE #9180E8 #BDB3F1

Accessibility & contrast

On white

5.78

#644CDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#644CDE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CDE

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CDE	#FFFFFF	#000000	##FFFFFF
##644CDE	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE3

Deuteranopia (green-blind)

#0061DB

Tritanopia (blue-blind)

#2B718E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644cde;
/* rgb */ color: rgb(100, 76, 222);
/* oklch */ color: oklch(52.9% 0.211 284.0);

Tailwind

colors: {
  custom: {
    50: '#9b80e9',
    500: '#644cde',
    950: '#000000',
  },
}

SCSS

$custom: #644cde;
$custom-light: #9b80e9;
$custom-dark: #000000;

JSON

{
  "hex": "#644cde",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 222
  },
  "hsl": {
    "h": 249.863,
    "s": 68.868,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52907,
    "c": 0.21136,
    "h": 284
  },
  "luminance": 0.13152
}

Semantic roles & 50–950 ramp

primary

#644CDE

secondary

#D6E0A6

accent

#EC3CCF

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644CDE

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

Preview Lab → · Contrast checker → · Palette generator →