#644CEF#644CEF

#644CEF is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 54.3% C 0.232 H 282.1°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#644CEF
RGB	rgb(100, 76, 239)
HSL	hsl(249, 84%, 62%)
HSV	hsv(249, 68%, 94%)
CMYK	cmyk(58.2%, 68.2%, 0%, 6.3%)
CIE-LAB	lab(44.39, 53.15, -78.68)
CIE-LCH	lch(44.39, 94.95, 304.04°)
OKLab	oklab(54.35% 0.0488 -0.2266)
OKLCH	oklch(54.35% 0.232 282.1)
XYZ	xyz(23.4151, 14.1086, 83.1340)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CEF #D7EF4C

analogous

#4C86EF #644CEF #B54CEF

triadic

#644CEF #EF644C #4CEF64

tetradic

#644CEF #EF4C86 #D7EF4C #4CEFB5

square

#644CEF #EF4C86 #D7EF4C #4CEFB5

split-complementary

#644CEF #EFB54C #86EF4C

monochromatic

#2810B1 #3415E9 #644CEF #9584F4 #C5BCF9

Accessibility & contrast

On white

5.49

#644CEF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#644CEF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CEF

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CEF	#FFFFFF	#000000	##FFFFFF
##644CEF	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EF4

Deuteranopia (green-blind)

#0063EC

Tritanopia (blue-blind)

#007798

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #644cef;
/* rgb */ color: rgb(100, 76, 239);
/* oklch */ color: oklch(54.3% 0.232 282.1);

Tailwind

colors: {
  custom: {
    50: '#9e80f5',
    500: '#644cef',
    950: '#000000',
  },
}

SCSS

$custom: #644cef;
$custom-light: #9e80f5;
$custom-dark: #000000;

JSON

{
  "hex": "#644cef",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 239
  },
  "hsl": {
    "h": 248.834,
    "s": 83.59,
    "l": 61.765
  },
  "oklch": {
    "l": 0.54345,
    "c": 0.23179,
    "h": 282.1
  },
  "luminance": 0.1411
}

Semantic roles & 50–950 ramp

primary

#644CEF

secondary

#E1EAAD

accent

#E005C0

background

#FAF7FF

surface

#F4EEFF

border

#CEC9D7

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644CEF

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

Preview Lab → · Contrast checker → · Palette generator →