#644EE8#644EE8

#644EE8 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 54.0% C 0.221 H 282.6°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#644EE8
RGB	rgb(100, 78, 232)
HSL	hsl(249, 77%, 61%)
HSV	hsv(249, 66%, 91%)
CMYK	cmyk(56.9%, 66.4%, 0%, 9%)
CIE-LAB	lab(44.21, 49.97, -75.02)
CIE-LCH	lch(44.21, 90.14, 303.67°)
OKLab	oklab(54.04% 0.0482 -0.2159)
OKLCH	oklch(54.04% 0.221 282.6)
XYZ	xyz(22.5409, 13.9828, 77.8395)
Luminance	0.1398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EE8 #D2E84E

analogous

#4E85E8 #644EE8 #B14EE8

triadic

#644EE8 #E8644E #4EE864

tetradic

#644EE8 #E84E85 #D2E84E #4EE8B1

square

#644EE8 #E84E85 #D2E84E #4EE8B1

split-complementary

#644EE8 #E8B14E #85E84E

monochromatic

#2A16A6 #381DDC #644EE8 #9384EF #C3BAF6

Accessibility & contrast

On white

5.53

#644EE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#644EE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EE8

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EE8	#FFFFFF	#000000	##FFFFFF
##644EE8	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EED

Deuteranopia (green-blind)

#0063E5

Tritanopia (blue-blind)

#197695

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644ee8;
/* rgb */ color: rgb(100, 78, 232);
/* oklch */ color: oklch(54.0% 0.221 282.6);

Tailwind

colors: {
  custom: {
    50: '#9d81f0',
    500: '#644ee8',
    950: '#000000',
  },
}

SCSS

$custom: #644ee8;
$custom-light: #9d81f0;
$custom-dark: #000000;

JSON

{
  "hex": "#644ee8",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 232
  },
  "hsl": {
    "h": 248.571,
    "s": 77,
    "l": 60.784
  },
  "oklch": {
    "l": 0.54037,
    "c": 0.2212,
    "h": 282.6
  },
  "luminance": 0.13984
}

Semantic roles & 50–950 ramp

primary

#644EE8

secondary

#DEE6AC

accent

#D90CBC

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644EE8

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

Preview Lab → · Contrast checker → · Palette generator →