#644EF6#644EF6

#644EF6 is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 55.2% C 0.238 H 281.2°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#644EF6
RGB	rgb(100, 78, 246)
HSL	hsl(248, 90%, 64%)
HSV	hsv(248, 68%, 96%)
CMYK	cmyk(59.3%, 68.3%, 0%, 3.5%)
CIE-LAB	lab(45.37, 54.14, -81.00)
CIE-LCH	lch(45.37, 97.43, 303.76°)
OKLab	oklab(55.23% 0.0461 -0.2334)
OKLCH	oklch(55.23% 0.238 281.2)
XYZ	xyz(24.6092, 14.8102, 88.7328)
Luminance	0.1481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EF6 #E0F64E

analogous

#4E8CF6 #644EF6 #B84EF6

triadic

#644EF6 #F6644E #4EF664

tetradic

#644EF6 #F64E8C #E0F64E #4EF6B8

square

#644EF6 #F64E8C #E0F64E #4EF6B8

split-complementary

#644EF6 #F6B84E #8CF64E

monochromatic

#220AC0 #3114F3 #644EF6 #9788F9 #CAC2FC

Accessibility & contrast

On white

5.30

#644EF6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#644EF6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EF6

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EF6	#FFFFFF	#000000	##FFFFFF
##644EF6	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071FB

Deuteranopia (green-blind)

#0065F3

Tritanopia (blue-blind)

#007B9C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #644ef6;
/* rgb */ color: rgb(100, 78, 246);
/* oklch */ color: oklch(55.2% 0.238 281.2);

Tailwind

colors: {
  custom: {
    50: '#9f82fa',
    500: '#644ef6',
    950: '#000000',
  },
}

SCSS

$custom: #644ef6;
$custom-light: #9f82fa;
$custom-dark: #000000;

JSON

{
  "hex": "#644ef6",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 246
  },
  "hsl": {
    "h": 247.857,
    "s": 90.323,
    "l": 63.529
  },
  "oklch": {
    "l": 0.55232,
    "c": 0.23791,
    "h": 281.2
  },
  "luminance": 0.14812
}

Semantic roles & 50–950 ramp

primary

#644EF6

secondary

#E6EEB2

accent

#E600C7

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100A18

muted

#7F7C86

Preview Lab

Preview with #644EF6

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

Preview Lab → · Contrast checker → · Palette generator →