#644CE6#644CE6

#644CE6 is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.6% C 0.221 H 283.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#644CE6
RGB	rgb(100, 76, 230)
HSL	hsl(249, 75%, 60%)
HSV	hsv(249, 67%, 90%)
CMYK	cmyk(56.5%, 67%, 0%, 9.8%)
CIE-LAB	lab(43.64, 50.48, -74.82)
CIE-LCH	lch(43.64, 90.26, 304.01°)
OKLab	oklab(53.58% 0.0501 -0.2153)
OKLCH	oklch(53.58% 0.221 283.1)
XYZ	xyz(22.1185, 13.5900, 76.3052)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CE6 #CEE64C

analogous

#4C81E6 #644CE6 #B14CE6

triadic

#644CE6 #E6644C #4CE664

tetradic

#644CE6 #E64C81 #CEE64C #4CE6B1

square

#644CE6 #E64C81 #CEE64C #4CE6B1

split-complementary

#644CE6 #E6B14C #81E64C

monochromatic

#2C17A1 #3B1ED7 #644CE6 #9382ED #C1B7F5

Accessibility & contrast

On white

5.65

#644CE6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#644CE6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CE6

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CE6	#FFFFFF	#000000	##FFFFFF
##644CE6	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)

#006CEB

Deuteranopia (green-blind)

#0062E3

Tritanopia (blue-blind)

#1E7493

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #644ce6;
/* rgb */ color: rgb(100, 76, 230);
/* oklch */ color: oklch(53.6% 0.221 283.1);

Tailwind

colors: {
  custom: {
    50: '#9c80ef',
    500: '#644ce6',
    950: '#000000',
  },
}

SCSS

$custom: #644ce6;
$custom-light: #9c80ef;
$custom-dark: #000000;

JSON

{
  "hex": "#644ce6",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 230
  },
  "hsl": {
    "h": 249.351,
    "s": 75.49,
    "l": 60
  },
  "oklch": {
    "l": 0.53576,
    "c": 0.22105,
    "h": 283.1
  },
  "luminance": 0.13591
}

Semantic roles & 50–950 ramp

primary

#644CE6

secondary

#DBE5A9

accent

#F236D5

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A17

muted

#7F7C85

Preview Lab

Preview with #644CE6

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

Preview Lab → · Contrast checker → · Palette generator →