#644FEB#644FEB

#644FEB is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 54.4% C 0.224 H 282.1°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#644FEB
RGB	rgb(100, 79, 235)
HSL	hsl(248, 80%, 62%)
HSV	hsv(248, 66%, 92%)
CMYK	cmyk(57.4%, 66.4%, 0%, 7.8%)
CIE-LAB	lab(44.66, 50.31, -75.98)
CIE-LCH	lch(44.66, 91.13, 303.51°)
OKLab	oklab(54.44% 0.047 -0.2187)
OKLCH	oklch(54.44% 0.224 282.1)
XYZ	xyz(23.0422, 14.2979, 80.1267)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FEB #D6EB4F

analogous

#4F88EB #644FEB #B24FEB

triadic

#644FEB #EB644F #4FEB64

tetradic

#644FEB #EB4F88 #D6EB4F #4FEBB2

square

#644FEB #EB4F88 #D6EB4F #4FEBB2

split-complementary

#644FEB #EBB24F #88EB4F

monochromatic

#2814AC #351AE3 #644FEB #9486F1 #C5BDF7

Accessibility & contrast

On white

5.44

#644FEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#644FEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FEB

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FEB	#FFFFFF	#000000	##FFFFFF
##644FEB	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FF0

Deuteranopia (green-blind)

#0064E8

Tritanopia (blue-blind)

#117796

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #644feb;
/* rgb */ color: rgb(100, 79, 235);
/* oklch */ color: oklch(54.4% 0.224 282.1);

Tailwind

colors: {
  custom: {
    50: '#9d82f3',
    500: '#644feb',
    950: '#000000',
  },
}

SCSS

$custom: #644feb;
$custom-light: #9d82f3;
$custom-dark: #000000;

JSON

{
  "hex": "#644feb",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 235
  },
  "hsl": {
    "h": 248.077,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.54436,
    "c": 0.22368,
    "h": 282.1
  },
  "luminance": 0.14299
}

Semantic roles & 50–950 ramp

primary

#644FEB

secondary

#E0E8AE

accent

#DC0AC0

background

#FAF8FF

surface

#F4EFFE

border

#CECAD6

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644FEB

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

Preview Lab → · Contrast checker → · Palette generator →