#644FDE#644FDE

#644FDE is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.4% C 0.208 H 283.5°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#644FDE
RGB	rgb(100, 79, 222)
HSL	hsl(249, 68%, 59%)
HSV	hsv(249, 64%, 87%)
CMYK	cmyk(55%, 64.4%, 0%, 12.9%)
CIE-LAB	lab(43.62, 46.42, -70.32)
CIE-LCH	lch(43.62, 84.26, 303.43°)
OKLab	oklab(53.36% 0.0485 -0.2021)
OKLCH	oklch(53.36% 0.208 283.5)
XYZ	xyz(21.2323, 13.5739, 70.5943)
Luminance	0.1358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FDE #C9DE4F

analogous

#4F82DE #644FDE #AC4FDE

triadic

#644FDE #DE644F #4FDE64

tetradic

#644FDE #DE4F82 #C9DE4F #4FDEAC

square

#644FDE #DE4F82 #C9DE4F #4FDEAC

split-complementary

#644FDE #DEAC4F #82DE4F

monochromatic

#2E1C96 #3E26CA #644FDE #9183E8 #BFB6F1

Accessibility & contrast

On white

5.65

#644FDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#644FDE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FDE

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FDE	#FFFFFF	#000000	##FFFFFF
##644FDE	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE2

Deuteranopia (green-blind)

#0062DB

Tritanopia (blue-blind)

#2A738F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #644fde;
/* rgb */ color: rgb(100, 79, 222);
/* oklch */ color: oklch(53.4% 0.208 283.5);

Tailwind

colors: {
  custom: {
    50: '#9b82e9',
    500: '#644fde',
    950: '#000000',
  },
}

SCSS

$custom: #644fde;
$custom-light: #9b82e9;
$custom-dark: #000000;

JSON

{
  "hex": "#644fde",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 222
  },
  "hsl": {
    "h": 248.811,
    "s": 68.421,
    "l": 59.02
  },
  "oklch": {
    "l": 0.5336,
    "c": 0.2078,
    "h": 283.5
  },
  "luminance": 0.13575
}

Semantic roles & 50–950 ramp

primary

#644FDE

secondary

#D8E0A8

accent

#EB3DD2

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644FDE

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

Preview Lab → · Contrast checker → · Palette generator →