#645DC2#645DC2

#645DC2 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.6% C 0.153 H 283.1°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#645DC2
RGB	rgb(100, 93, 194)
HSL	hsl(244, 45%, 56%)
HSV	hsv(244, 52%, 76%)
CMYK	cmyk(48.5%, 52.1%, 0%, 23.9%)
CIE-LAB	lab(44.85, 29.59, -52.24)
CIE-LCH	lch(44.85, 60.04, 299.53°)
OKLab	oklab(53.64% 0.0346 -0.1488)
OKLCH	oklch(53.64% 0.153 283.1)
XYZ	xyz(18.9046, 14.4321, 52.8180)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645DC2 #BBC25D

analogous

#5D89C2 #645DC2 #975DC2

triadic

#645DC2 #C2645D #5DC264

tetradic

#645DC2 #C25D89 #BBC25D #5DC297

square

#645DC2 #C25D89 #BBC25D #5DC297

split-complementary

#645DC2 #C2975D #89C25D

monochromatic

#322D78 #453EA4 #645DC2 #8F89D3 #B9B6E3

Accessibility & contrast

On white

5.40

#645DC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#645DC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645DC2

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645DC2	#FFFFFF	#000000	##FFFFFF
##645DC2	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6DC6

Deuteranopia (green-blind)

#2467C0

Tritanopia (blue-blind)

#427386

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #645dc2;
/* rgb */ color: rgb(100, 93, 194);
/* oklch */ color: oklch(53.6% 0.153 283.1);

Tailwind

colors: {
  custom: {
    50: '#968bd5',
    500: '#645dc2',
    950: '#000000',
  },
}

SCSS

$custom: #645dc2;
$custom-light: #968bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#645dc2",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 194
  },
  "hsl": {
    "h": 244.158,
    "s": 45.291,
    "l": 56.275
  },
  "oklch": {
    "l": 0.53641,
    "c": 0.15282,
    "h": 283.1
  },
  "luminance": 0.14433
}

Semantic roles & 50–950 ramp

primary

#645DC2

secondary

#CFD2A9

accent

#D553CC

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #645DC2

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

Preview Lab → · Contrast checker → · Palette generator →