#644DFC#644DFC

#644DFC is a mid, highly saturated blue. Relative luminance 0.150; OKLCH L 55.6% C 0.246 H 280.8°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#644DFC
RGB	rgb(100, 77, 252)
HSL	hsl(248, 97%, 65%)
HSV	hsv(248, 69%, 99%)
CMYK	cmyk(60.3%, 69.4%, 0%, 1.2%)
CIE-LAB	lab(45.69, 56.45, -83.82)
CIE-LCH	lch(45.69, 101.06, 303.96°)
OKLab	oklab(55.62% 0.0459 -0.2417)
OKLCH	oklch(55.62% 0.246 280.8)
XYZ	xyz(25.4746, 15.0435, 93.6379)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DFC #E5FC4D

analogous

#4D8DFC #644DFC #BC4DFC

triadic

#644DFC #FC644D #4DFC64

tetradic

#644DFC #FC4D8D #E5FC4D #4DFCBC

square

#644DFC #FC4D8D #E5FC4D #4DFCBC

split-complementary

#644DFC #FCBC4D #8DFC4D

monochromatic

#1E03CB #3011FB #644DFC #9889FD #CDC5FE

Accessibility & contrast

On white

5.24

#644DFC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#644DFC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DFC

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DFC	#FFFFFF	#000000	##FFFFFF
##644DFC	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072FF

Deuteranopia (green-blind)

#0066F9

Tritanopia (blue-blind)

#007C9F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #644dfc;
/* rgb */ color: rgb(100, 77, 252);
/* oklch */ color: oklch(55.6% 0.246 280.8);

Tailwind

colors: {
  custom: {
    50: '#a081ff',
    500: '#644dfc',
    950: '#000000',
  },
}

SCSS

$custom: #644dfc;
$custom-light: #a081ff;
$custom-dark: #000000;

JSON

{
  "hex": "#644dfc",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 252
  },
  "hsl": {
    "h": 247.886,
    "s": 96.685,
    "l": 64.51
  },
  "oklch": {
    "l": 0.55619,
    "c": 0.24599,
    "h": 280.8
  },
  "luminance": 0.15045
}

Semantic roles & 50–950 ramp

primary

#644DFC

secondary

#E9F1B4

accent

#E600C7

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100A18

muted

#7F7C86

Preview Lab

Preview with #644DFC

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

Preview Lab → · Contrast checker → · Palette generator →