#4C66CD#4C66CD

#4C66CD is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.5% C 0.162 H 269.7°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#4C66CD
RGB	rgb(76, 102, 205)
HSL	hsl(228, 56%, 55%)
HSV	hsv(228, 63%, 80%)
CMYK	cmyk(62.9%, 50.2%, 0%, 19.6%)
CIE-LAB	lab(46.24, 22.78, -56.42)
CIE-LCH	lch(46.24, 60.85, 291.99°)
OKLab	oklab(54.5% -0.0009 -0.1617)
OKLCH	oklch(54.5% 0.162 269.7)
XYZ	xyz(18.7476, 15.4454, 59.7391)
Luminance	0.1545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66CD #CDB34C

analogous

#4CA6CD #4C66CD #724CCD

triadic

#4C66CD #CD4C66 #66CD4C

tetradic

#4C66CD #CD4CA6 #CDB34C #4CCD72

square

#4C66CD #CD4CA6 #CDB34C #4CCD72

split-complementary

#4C66CD #CD724C #A6CD4C

monochromatic

#23357C #3049AC #4C66CD #7C8FDA #ACB8E8

Accessibility & contrast

On white

5.14

#4C66CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#4C66CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66CD

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66CD	#FFFFFF	#000000	##FFFFFF
##4C66CD	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D74D1

Deuteranopia (green-blind)

#0668CB

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4c66cd;
/* rgb */ color: rgb(76, 102, 205);
/* oklch */ color: oklch(54.5% 0.162 269.7);

Tailwind

colors: {
  custom: {
    50: '#8a91dd',
    500: '#4c66cd',
    950: '#000000',
  },
}

SCSS

$custom: #4c66cd;
$custom-light: #8a91dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66cd",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 205
  },
  "hsl": {
    "h": 227.907,
    "s": 56.332,
    "l": 55.098
  },
  "oklch": {
    "l": 0.54499,
    "c": 0.16167,
    "h": 269.7
  },
  "luminance": 0.15447
}

Semantic roles & 50–950 ramp

primary

#4C66CD

secondary

#D5CB9F

accent

#C148E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4C66CD

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

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