#644FE1#644FE1

#644FE1 is a mid, highly saturated blue. Relative luminance 0.137; OKLCH L 53.6% C 0.211 H 283.2°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#644FE1
RGB	rgb(100, 79, 225)
HSL	hsl(249, 71%, 60%)
HSV	hsv(249, 65%, 88%)
CMYK	cmyk(55.6%, 64.9%, 0%, 11.8%)
CIE-LAB	lab(43.85, 47.32, -71.64)
CIE-LCH	lch(43.85, 85.85, 303.45°)
OKLab	oklab(53.61% 0.0482 -0.2059)
OKLCH	oklch(53.61% 0.212 283.2)
XYZ	xyz(21.6379, 13.7362, 72.7307)
Luminance	0.1374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FE1 #CCE14F

analogous

#4F83E1 #644FE1 #AD4FE1

triadic

#644FE1 #E1644F #4FE164

tetradic

#644FE1 #E14F83 #CCE14F #4FE1AD

square

#644FE1 #E14F83 #CCE14F #4FE1AD

split-complementary

#644FE1 #E1AD4F #83E14F

monochromatic

#2D1A9B #3C23CF #644FE1 #9283EA #C0B8F3

Accessibility & contrast

On white

5.60

#644FE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#644FE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FE1

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FE1	#FFFFFF	#000000	##FFFFFF
##644FE1	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)

#006CE6

Deuteranopia (green-blind)

#0063DE

Tritanopia (blue-blind)

#267491

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644fe1;
/* rgb */ color: rgb(100, 79, 225);
/* oklch */ color: oklch(53.6% 0.211 283.2);

Tailwind

colors: {
  custom: {
    50: '#9b82eb',
    500: '#644fe1',
    950: '#000000',
  },
}

SCSS

$custom: #644fe1;
$custom-light: #9b82eb;
$custom-dark: #000000;

JSON

{
  "hex": "#644fe1",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 225
  },
  "hsl": {
    "h": 248.63,
    "s": 70.874,
    "l": 59.608
  },
  "oklch": {
    "l": 0.53605,
    "c": 0.2115,
    "h": 283.2
  },
  "luminance": 0.13738
}

Semantic roles & 50–950 ramp

primary

#644FE1

secondary

#DAE2AA

accent

#EE3AD4

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644FE1

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

Preview Lab → · Contrast checker → · Palette generator →