#644FE9#644FE9

#644FE9 is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 54.3% C 0.221 H 282.3°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#644FE9
RGB	rgb(100, 79, 233)
HSL	hsl(248, 78%, 61%)
HSV	hsv(248, 66%, 91%)
CMYK	cmyk(57.1%, 66.1%, 0%, 8.6%)
CIE-LAB	lab(44.49, 49.72, -75.12)
CIE-LCH	lch(44.49, 90.08, 303.50°)
OKLab	oklab(54.27% 0.0472 -0.2162)
OKLCH	oklch(54.27% 0.221 282.3)
XYZ	xyz(22.7549, 14.1830, 78.6135)
Luminance	0.1418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FE9 #D4E94F

analogous

#4F87E9 #644FE9 #B14FE9

triadic

#644FE9 #E9644F #4FE964

tetradic

#644FE9 #E94F87 #D4E94F #4FE9B1

square

#644FE9 #E94F87 #D4E94F #4FE9B1

split-complementary

#644FE9 #E9B14F #87E94F

monochromatic

#2915A9 #361CDF #644FE9 #9485F0 #C4BCF7

Accessibility & contrast

On white

5.47

#644FE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#644FE9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FE9

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FE9	#FFFFFF	#000000	##FFFFFF
##644FE9	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EEE

Deuteranopia (green-blind)

#0064E6

Tritanopia (blue-blind)

#177795

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #644fe9;
/* rgb */ color: rgb(100, 79, 233);
/* oklch */ color: oklch(54.3% 0.221 282.3);

Tailwind

colors: {
  custom: {
    50: '#9d82f1',
    500: '#644fe9',
    950: '#000000',
  },
}

SCSS

$custom: #644fe9;
$custom-light: #9d82f1;
$custom-dark: #000000;

JSON

{
  "hex": "#644fe9",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 233
  },
  "hsl": {
    "h": 248.182,
    "s": 77.778,
    "l": 61.176
  },
  "oklch": {
    "l": 0.54268,
    "c": 0.22127,
    "h": 282.3
  },
  "luminance": 0.14184
}

Semantic roles & 50–950 ramp

primary

#644FE9

secondary

#DFE7AD

accent

#DA0BBE

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644FE9

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

Preview Lab → · Contrast checker → · Palette generator →