#644CE9#644CE9

#644CE9 is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.8% C 0.225 H 282.8°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#644CE9
RGB	rgb(100, 76, 233)
HSL	hsl(249, 78%, 61%)
HSV	hsv(249, 67%, 91%)
CMYK	cmyk(57.1%, 67.4%, 0%, 8.6%)
CIE-LAB	lab(43.89, 51.37, -76.12)
CIE-LCH	lch(43.89, 91.83, 304.02°)
OKLab	oklab(53.83% 0.0497 -0.2191)
OKLCH	oklch(53.83% 0.225 282.8)
XYZ	xyz(22.5434, 13.7599, 78.5430)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CE9 #D1E94C

analogous

#4C82E9 #644CE9 #B24CE9

triadic

#644CE9 #E9644C #4CE964

tetradic

#644CE9 #E94C82 #D1E94C #4CE9B2

square

#644CE9 #E94C82 #D1E94C #4CE9B2

split-complementary

#644CE9 #E9B24C #82E94C

monochromatic

#2B14A6 #391BDD #644CE9 #9383F0 #C2B9F6

Accessibility & contrast

On white

5.60

#644CE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#644CE9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CE9

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CE9	#FFFFFF	#000000	##FFFFFF
##644CE9	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEE

Deuteranopia (green-blind)

#0062E6

Tritanopia (blue-blind)

#177594

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644ce9;
/* rgb */ color: rgb(100, 76, 233);
/* oklch */ color: oklch(53.8% 0.225 282.8);

Tailwind

colors: {
  custom: {
    50: '#9d80f1',
    500: '#644ce9',
    950: '#000000',
  },
}

SCSS

$custom: #644ce9;
$custom-light: #9d80f1;
$custom-dark: #000000;

JSON

{
  "hex": "#644ce9",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 233
  },
  "hsl": {
    "h": 249.172,
    "s": 78.109,
    "l": 60.588
  },
  "oklch": {
    "l": 0.53831,
    "c": 0.22465,
    "h": 282.8
  },
  "luminance": 0.13761
}

Semantic roles & 50–950 ramp

primary

#644CE9

secondary

#DDE6AB

accent

#DA0BBB

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644CE9

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

Preview Lab → · Contrast checker → · Palette generator →