#644EE9#644EE9

#644EE9 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 54.1% C 0.222 H 282.5°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#644EE9
RGB	rgb(100, 78, 233)
HSL	hsl(249, 78%, 61%)
HSV	hsv(249, 67%, 91%)
CMYK	cmyk(57.1%, 66.5%, 0%, 8.6%)
CIE-LAB	lab(44.29, 50.27, -75.46)
CIE-LCH	lch(44.29, 90.67, 303.67°)
OKLab	oklab(54.12% 0.0481 -0.2171)
OKLCH	oklch(54.12% 0.222 282.5)
XYZ	xyz(22.6833, 14.0398, 78.5897)
Luminance	0.1404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EE9 #D3E94E

analogous

#4E85E9 #644EE9 #B14EE9

triadic

#644EE9 #E9644E #4EE964

tetradic

#644EE9 #E94E85 #D3E94E #4EE9B1

square

#644EE9 #E94E85 #D3E94E #4EE9B1

split-complementary

#644EE9 #E9B14E #85E94E

monochromatic

#2A15A8 #371CDE #644EE9 #9484F0 #C3BBF7

Accessibility & contrast

On white

5.51

#644EE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#644EE9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EE9

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EE9	#FFFFFF	#000000	##FFFFFF
##644EE9	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EEE

Deuteranopia (green-blind)

#0063E6

Tritanopia (blue-blind)

#177695

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #644ee9;
/* rgb */ color: rgb(100, 78, 233);
/* oklch */ color: oklch(54.1% 0.222 282.5);

Tailwind

colors: {
  custom: {
    50: '#9d81f1',
    500: '#644ee9',
    950: '#000000',
  },
}

SCSS

$custom: #644ee9;
$custom-light: #9d81f1;
$custom-dark: #000000;

JSON

{
  "hex": "#644ee9",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 233
  },
  "hsl": {
    "h": 248.516,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54121,
    "c": 0.2224,
    "h": 282.5
  },
  "luminance": 0.14041
}

Semantic roles & 50–950 ramp

primary

#644EE9

secondary

#DEE7AC

accent

#DA0BBD

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644EE9

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

Preview Lab → · Contrast checker → · Palette generator →