#645CC2#645CC2

#645CC2 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.5% C 0.154 H 283.4°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#645CC2
RGB	rgb(100, 92, 194)
HSL	hsl(245, 46%, 56%)
HSV	hsv(245, 53%, 76%)
CMYK	cmyk(48.5%, 52.6%, 0%, 23.9%)
CIE-LAB	lab(44.60, 30.21, -52.63)
CIE-LCH	lch(44.60, 60.69, 299.85°)
OKLab	oklab(53.46% 0.0358 -0.15)
OKLCH	oklch(53.46% 0.154 283.4)
XYZ	xyz(18.8174, 14.2577, 52.7890)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645CC2 #BAC25C

analogous

#5C87C2 #645CC2 #975CC2

triadic

#645CC2 #C2645C #5CC264

tetradic

#645CC2 #C25C87 #BAC25C #5CC297

square

#645CC2 #C25C87 #BAC25C #5CC297

split-complementary

#645CC2 #C2975C #87C25C

monochromatic

#322D77 #453DA4 #645CC2 #8E89D3 #B9B5E3

Accessibility & contrast

On white

5.45

#645CC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#645CC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645CC2

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645CC2	#FFFFFF	#000000	##FFFFFF
##645CC2	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286DC6

Deuteranopia (green-blind)

#2266C0

Tritanopia (blue-blind)

#437286

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #645cc2;
/* rgb */ color: rgb(100, 92, 194);
/* oklch */ color: oklch(53.5% 0.154 283.4);

Tailwind

colors: {
  custom: {
    50: '#968ad5',
    500: '#645cc2',
    950: '#000000',
  },
}

SCSS

$custom: #645cc2;
$custom-light: #968ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#645cc2",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 194
  },
  "hsl": {
    "h": 244.706,
    "s": 45.536,
    "l": 56.078
  },
  "oklch": {
    "l": 0.53457,
    "c": 0.15423,
    "h": 283.4
  },
  "luminance": 0.14259
}

Semantic roles & 50–950 ramp

primary

#645CC2

secondary

#CFD2A8

accent

#D553CB

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #645CC2

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

Preview Lab → · Contrast checker → · Palette generator →