#644AEF#644AEF

#644AEF is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 54.1% C 0.234 H 282.4°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#644AEF
RGB	rgb(100, 74, 239)
HSL	hsl(249, 84%, 61%)
HSV	hsv(249, 69%, 94%)
CMYK	cmyk(58.2%, 69%, 0%, 6.3%)
CIE-LAB	lab(44.00, 54.22, -79.32)
CIE-LCH	lch(44.00, 96.08, 304.36°)
OKLab	oklab(54.07% 0.0503 -0.2285)
OKLCH	oklch(54.07% 0.234 282.4)
XYZ	xyz(23.2795, 13.8373, 83.0888)
Luminance	0.1384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644AEF #D5EF4A

analogous

#4A83EF #644AEF #B74AEF

triadic

#644AEF #EF644A #4AEF64

tetradic

#644AEF #EF4A83 #D5EF4A #4AEFB7

square

#644AEF #EF4A83 #D5EF4A #4AEFB7

split-complementary

#644AEF #EFB74A #83EF4A

monochromatic

#290FAF #3614E7 #644AEF #9482F4 #C4BAF9

Accessibility & contrast

On white

5.57

#644AEF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#644AEF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AEF

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AEF	#FFFFFF	#000000	##FFFFFF
##644AEF	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DF4

Deuteranopia (green-blind)

#0062EC

Tritanopia (blue-blind)

#017697

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644aef;
/* rgb */ color: rgb(100, 74, 239);
/* oklch */ color: oklch(54.1% 0.234 282.4);

Tailwind

colors: {
  custom: {
    50: '#9e7ff5',
    500: '#644aef',
    950: '#000000',
  },
}

SCSS

$custom: #644aef;
$custom-light: #9e7ff5;
$custom-dark: #000000;

JSON

{
  "hex": "#644aef",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 239
  },
  "hsl": {
    "h": 249.455,
    "s": 83.756,
    "l": 61.373
  },
  "oklch": {
    "l": 0.54066,
    "c": 0.23394,
    "h": 282.4
  },
  "luminance": 0.13839
}

Semantic roles & 50–950 ramp

primary

#644AEF

secondary

#E0E9AC

accent

#E005BE

background

#FAF7FF

surface

#F4EEFF

border

#CEC9D7

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644AEF

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

Preview Lab → · Contrast checker → · Palette generator →