#644BE7#644BE7

#644BE7 is a mid, highly saturated blue. Relative luminance 0.135; OKLCH L 53.5% C 0.223 H 283.1°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#644BE7
RGB	rgb(100, 75, 231)
HSL	hsl(250, 76%, 60%)
HSV	hsv(250, 68%, 91%)
CMYK	cmyk(56.7%, 67.5%, 0%, 9.4%)
CIE-LAB	lab(43.52, 51.32, -75.58)
CIE-LCH	lch(43.52, 91.36, 304.18°)
OKLab	oklab(53.52% 0.0508 -0.2175)
OKLCH	oklch(53.52% 0.223 283.1)
XYZ	xyz(22.1910, 13.5096, 77.0241)
Luminance	0.1351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BE7 #CEE74B

analogous

#4B80E7 #644BE7 #B24BE7

triadic

#644BE7 #E7644B #4BE764

tetradic

#644BE7 #E74B80 #CEE74B #4BE7B2

square

#644BE7 #E74B80 #CEE74B #4BE7B2

split-complementary

#644BE7 #E7B24B #80E74B

monochromatic

#2C16A2 #3B1DD8 #644BE7 #9281EE #C1B7F5

Accessibility & contrast

On white

5.67

#644BE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#644BE7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BE7

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BE7	#FFFFFF	#000000	##FFFFFF
##644BE7	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CEC

Deuteranopia (green-blind)

#0062E4

Tritanopia (blue-blind)

#1C7493

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #644be7;
/* rgb */ color: rgb(100, 75, 231);
/* oklch */ color: oklch(53.5% 0.223 283.1);

Tailwind

colors: {
  custom: {
    50: '#9d7ff0',
    500: '#644be7',
    950: '#000000',
  },
}

SCSS

$custom: #644be7;
$custom-light: #9d7ff0;
$custom-dark: #000000;

JSON

{
  "hex": "#644be7",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 231
  },
  "hsl": {
    "h": 249.615,
    "s": 76.471,
    "l": 60
  },
  "oklch": {
    "l": 0.53517,
    "c": 0.22338,
    "h": 283.1
  },
  "luminance": 0.13511
}

Semantic roles & 50–950 ramp

primary

#644BE7

secondary

#DBE5A9

accent

#F335D5

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644BE7

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

Preview Lab → · Contrast checker → · Palette generator →