#644FF0#644FF0

#644FF0 is a mid, highly saturated blue. Relative luminance 0.146; OKLCH L 54.9% C 0.230 H 281.6°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#644FF0
RGB	rgb(100, 79, 240)
HSL	hsl(248, 84%, 63%)
HSV	hsv(248, 67%, 94%)
CMYK	cmyk(58.3%, 67.1%, 0%, 5.9%)
CIE-LAB	lab(45.07, 51.81, -78.13)
CIE-LCH	lch(45.07, 93.75, 303.55°)
OKLab	oklab(54.86% 0.0463 -0.225)
OKLCH	oklch(54.86% 0.23 281.6)
XYZ	xyz(23.7748, 14.5909, 83.9847)
Luminance	0.1459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FF0 #DBF04F

analogous

#4F8BF0 #644FF0 #B44FF0

triadic

#644FF0 #F0644F #4FF064

tetradic

#644FF0 #F04F8B #DBF04F #4FF0B4

square

#644FF0 #F04F8B #DBF04F #4FF0B4

split-complementary

#644FF0 #F0B44F #8BF04F

monochromatic

#250FB5 #3217EB #644FF0 #9687F5 #C7C0FA

Accessibility & contrast

On white

5.36

#644FF0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#644FF0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FF0

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FF0	#FFFFFF	#000000	##FFFFFF
##644FF0	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070F5

Deuteranopia (green-blind)

#0065ED

Tritanopia (blue-blind)

#007999

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #644ff0;
/* rgb */ color: rgb(100, 79, 240);
/* oklch */ color: oklch(54.9% 0.230 281.6);

Tailwind

colors: {
  custom: {
    50: '#9e82f6',
    500: '#644ff0',
    950: '#000000',
  },
}

SCSS

$custom: #644ff0;
$custom-light: #9e82f6;
$custom-dark: #000000;

JSON

{
  "hex": "#644ff0",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 240
  },
  "hsl": {
    "h": 247.826,
    "s": 84.293,
    "l": 62.549
  },
  "oklch": {
    "l": 0.54859,
    "c": 0.2297,
    "h": 281.6
  },
  "luminance": 0.14593
}

Semantic roles & 50–950 ramp

primary

#644FF0

secondary

#E3EBB0

accent

#E105C4

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #644FF0

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

Preview Lab → · Contrast checker → · Palette generator →