#644EDB#644EDB

#644EDB is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 53.0% C 0.205 H 284.0°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#644EDB
RGB	rgb(100, 78, 219)
HSL	hsl(249, 66%, 58%)
HSV	hsv(249, 64%, 86%)
CMYK	cmyk(54.3%, 64.4%, 0%, 14.1%)
CIE-LAB	lab(43.17, 46.09, -69.33)
CIE-LCH	lch(43.17, 83.25, 303.61°)
OKLab	oklab(52.96% 0.0498 -0.1992)
OKLCH	oklch(52.96% 0.205 284)
XYZ	xyz(20.7622, 13.2714, 68.4717)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EDB #C5DB4E

analogous

#4E7EDB #644EDB #AB4EDB

triadic

#644EDB #DB644E #4EDB64

tetradic

#644EDB #DB4E7E #C5DB4E #4EDBAB

square

#644EDB #DB4E7E #C5DB4E #4EDBAB

split-complementary

#644EDB #DBAB4E #7EDB4E

monochromatic

#301E91 #4028C4 #644EDB #9181E5 #BDB4F0

Accessibility & contrast

On white

5.75

#644EDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#644EDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EDB

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EDB	#FFFFFF	#000000	##FFFFFF
##644EDB	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADF

Deuteranopia (green-blind)

#0061D8

Tritanopia (blue-blind)

#2E718E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644edb;
/* rgb */ color: rgb(100, 78, 219);
/* oklch */ color: oklch(53.0% 0.205 284.0);

Tailwind

colors: {
  custom: {
    50: '#9b81e7',
    500: '#644edb',
    950: '#000000',
  },
}

SCSS

$custom: #644edb;
$custom-light: #9b81e7;
$custom-dark: #000000;

JSON

{
  "hex": "#644edb",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 219
  },
  "hsl": {
    "h": 249.362,
    "s": 66.197,
    "l": 58.235
  },
  "oklch": {
    "l": 0.52963,
    "c": 0.2053,
    "h": 284
  },
  "luminance": 0.13273
}

Semantic roles & 50–950 ramp

primary

#644EDB

secondary

#D6DEA6

accent

#E93FCF

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644EDB

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

Preview Lab → · Contrast checker → · Palette generator →