#4C66D2#4C66D2

#4C66D2 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.9% C 0.169 H 269.9°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4C66D2
RGB	rgb(76, 102, 210)
HSL	hsl(228, 60%, 56%)
HSV	hsv(228, 64%, 82%)
CMYK	cmyk(63.8%, 51.4%, 0%, 17.6%)
CIE-LAB	lab(46.57, 24.51, -58.76)
CIE-LCH	lch(46.57, 63.66, 292.64°)
OKLab	oklab(54.85% -0.0004 -0.1685)
OKLCH	oklch(54.85% 0.169 269.9)
XYZ	xyz(19.3608, 15.6907, 62.9686)
Luminance	0.1569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66D2 #D2B84C

analogous

#4CA9D2 #4C66D2 #754CD2

triadic

#4C66D2 #D24C66 #66D24C

tetradic

#4C66D2 #D24CA9 #D2B84C #4CD275

square

#4C66D2 #D24CA9 #D2B84C #4CD275

split-complementary

#4C66D2 #D2754C #A9D24C

monochromatic

#213483 #2D47B4 #4C66D2 #7D90DE #AEBAEB

Accessibility & contrast

On white

5.07

#4C66D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#4C66D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66D2

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66D2	#FFFFFF	#000000	##FFFFFF
##4C66D2	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2575D6

Deuteranopia (green-blind)

#0069D0

Tritanopia (blue-blind)

#007F92

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4c66d2;
/* rgb */ color: rgb(76, 102, 210);
/* oklch */ color: oklch(54.9% 0.169 269.9);

Tailwind

colors: {
  custom: {
    50: '#8b91e0',
    500: '#4c66d2',
    950: '#000000',
  },
}

SCSS

$custom: #4c66d2;
$custom-light: #8b91e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66d2",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 210
  },
  "hsl": {
    "h": 228.358,
    "s": 59.821,
    "l": 56.078
  },
  "oklch": {
    "l": 0.54851,
    "c": 0.16853,
    "h": 269.9
  },
  "luminance": 0.15692
}

Semantic roles & 50–950 ramp

primary

#4C66D2

secondary

#D9CEA1

accent

#C445E3

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4C66D2

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

Preview Lab → · Contrast checker → · Palette generator →