#645CD2#645CD2

#645CD2 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.6% C 0.176 H 281.9°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#645CD2
RGB	rgb(100, 92, 210)
HSL	hsl(244, 57%, 59%)
HSV	hsv(244, 56%, 82%)
CMYK	cmyk(52.4%, 56.2%, 0%, 17.6%)
CIE-LAB	lab(45.66, 35.13, -60.15)
CIE-LCH	lch(45.66, 69.65, 300.28°)
OKLab	oklab(54.58% 0.0363 -0.1721)
OKLCH	oklch(54.58% 0.176 281.9)
XYZ	xyz(20.7120, 15.0156, 62.7672)
Luminance	0.1502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645CD2 #CAD25C

analogous

#5C8FD2 #645CD2 #9F5CD2

triadic

#645CD2 #D2645C #5CD264

tetradic

#645CD2 #D25C8F #CAD25C #5CD29F

square

#645CD2 #D25C8F #CAD25C #5CD29F

split-complementary

#645CD2 #D29F5C #8FD25C

monochromatic

#2E278D #3D34BD #645CD2 #928CDF #BFBCEC

Accessibility & contrast

On white

5.25

#645CD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#645CD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645CD2

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645CD2	#FFFFFF	#000000	##FFFFFF
##645CD2	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D6

Deuteranopia (green-blind)

#0068D0

Tritanopia (blue-blind)

#36778E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #645cd2;
/* rgb */ color: rgb(100, 92, 210);
/* oklch */ color: oklch(54.6% 0.176 281.9);

Tailwind

colors: {
  custom: {
    50: '#988ae1',
    500: '#645cd2',
    950: '#000000',
  },
}

SCSS

$custom: #645cd2;
$custom-light: #988ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#645cd2",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 210
  },
  "hsl": {
    "h": 244.068,
    "s": 56.731,
    "l": 59.216
  },
  "oklch": {
    "l": 0.5458,
    "c": 0.17591,
    "h": 281.9
  },
  "luminance": 0.15017
}

Semantic roles & 50–950 ramp

primary

#645CD2

secondary

#D9DCAE

accent

#E048D6

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0C15

muted

#7E7D83

Preview Lab

Preview with #645CD2

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

Preview Lab → · Contrast checker → · Palette generator →