#644DDC#644DDC

#644DDC is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.9% C 0.208 H 284.1°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#644DDC
RGB	rgb(100, 77, 220)
HSL	hsl(250, 67%, 58%)
HSV	hsv(250, 65%, 86%)
CMYK	cmyk(54.5%, 65%, 0%, 13.7%)
CIE-LAB	lab(43.04, 46.95, -70.12)
CIE-LCH	lch(43.04, 84.38, 303.81°)
OKLab	oklab(52.89% 0.0506 -0.2015)
OKLCH	oklch(52.89% 0.208 284.1)
XYZ	xyz(20.8237, 13.1832, 69.1436)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DDC #C5DC4D

analogous

#4D7DDC #644DDC #AB4DDC

triadic

#644DDC #DC644D #4DDC64

tetradic

#644DDC #DC4D7D #C5DC4D #4DDCAB

square

#644DDC #DC4D7D #C5DC4D #4DDCAB

split-complementary

#644DDC #DCAB4D #7DDC4D

monochromatic

#301D92 #4027C5 #644DDC #9180E6 #BDB3F0

Accessibility & contrast

On white

5.77

#644DDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#644DDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DDC

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DDC	#FFFFFF	#000000	##FFFFFF
##644DDC	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE0

Deuteranopia (green-blind)

#0061D9

Tritanopia (blue-blind)

#2D718E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644ddc;
/* rgb */ color: rgb(100, 77, 220);
/* oklch */ color: oklch(52.9% 0.208 284.1);

Tailwind

colors: {
  custom: {
    50: '#9b80e8',
    500: '#644ddc',
    950: '#000000',
  },
}

SCSS

$custom: #644ddc;
$custom-light: #9b80e8;
$custom-dark: #000000;

JSON

{
  "hex": "#644ddc",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 220
  },
  "hsl": {
    "h": 249.65,
    "s": 67.136,
    "l": 58.235
  },
  "oklch": {
    "l": 0.52893,
    "c": 0.20772,
    "h": 284.1
  },
  "luminance": 0.13184
}

Semantic roles & 50–950 ramp

primary

#644DDC

secondary

#D6DFA6

accent

#EA3ECE

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644DDC

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

Preview Lab → · Contrast checker → · Palette generator →