#644EDD#644EDD

#644EDD is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 53.1% C 0.208 H 283.8°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#644EDD
RGB	rgb(100, 78, 221)
HSL	hsl(249, 68%, 59%)
HSV	hsv(249, 65%, 87%)
CMYK	cmyk(54.8%, 64.7%, 0%, 13.3%)
CIE-LAB	lab(43.33, 46.68, -70.22)
CIE-LCH	lch(43.33, 84.32, 303.62°)
OKLab	oklab(53.13% 0.0495 -0.2018)
OKLCH	oklch(53.13% 0.208 283.8)
XYZ	xyz(21.0271, 13.3773, 69.8667)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EDD #C7DD4E

analogous

#4E7FDD #644EDD #AB4EDD

triadic

#644EDD #DD644E #4EDD64

tetradic

#644EDD #DD4E7F #C7DD4E #4EDDAB

square

#644EDD #DD4E7F #C7DD4E #4EDDAB

split-complementary

#644EDD #DDAB4E #7FDD4E

monochromatic

#2F1C94 #3F26C7 #644EDD #9181E7 #BEB5F1

Accessibility & contrast

On white

5.71

#644EDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#644EDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EDD

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EDD	#FFFFFF	#000000	##FFFFFF
##644EDD	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE1

Deuteranopia (green-blind)

#0062DA

Tritanopia (blue-blind)

#2C728F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644edd;
/* rgb */ color: rgb(100, 78, 221);
/* oklch */ color: oklch(53.1% 0.208 283.8);

Tailwind

colors: {
  custom: {
    50: '#9b81e9',
    500: '#644edd',
    950: '#000000',
  },
}

SCSS

$custom: #644edd;
$custom-light: #9b81e9;
$custom-dark: #000000;

JSON

{
  "hex": "#644edd",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 221
  },
  "hsl": {
    "h": 249.231,
    "s": 67.773,
    "l": 58.627
  },
  "oklch": {
    "l": 0.53126,
    "c": 0.20777,
    "h": 283.8
  },
  "luminance": 0.13379
}

Semantic roles & 50–950 ramp

primary

#644EDD

secondary

#D7E0A7

accent

#EB3DD0

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644EDD

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

Preview Lab → · Contrast checker → · Palette generator →