#4B66CE#4B66CE

#4B66CE is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.5% C 0.163 H 269.4°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#4B66CE
RGB	rgb(75, 102, 206)
HSL	hsl(228, 57%, 55%)
HSV	hsv(228, 64%, 81%)
CMYK	cmyk(63.6%, 50.5%, 0%, 19.2%)
CIE-LAB	lab(46.25, 22.96, -56.98)
CIE-LCH	lch(46.25, 61.43, 291.94°)
OKLab	oklab(54.51% -0.0017 -0.1633)
OKLCH	oklch(54.51% 0.163 269.4)
XYZ	xyz(18.7898, 15.4532, 60.3731)
Luminance	0.1545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B66CE #CEB34B

analogous

#4BA7CE #4B66CE #724BCE

triadic

#4B66CE #CE4B66 #66CE4B

tetradic

#4B66CE #CE4BA7 #CEB34B #4BCE72

square

#4B66CE #CE4BA7 #CEB34B #4BCE72

split-complementary

#4B66CE #CE724B #A7CE4B

monochromatic

#22357D #2F49AD #4B66CE #7B8FDB #ABB8E8

Accessibility & contrast

On white

5.13

#4B66CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#4B66CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B66CE

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B66CE	#FFFFFF	#000000	##FFFFFF
##4B66CE	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B74D2

Deuteranopia (green-blind)

#0068CC

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4b66ce;
/* rgb */ color: rgb(75, 102, 206);
/* oklch */ color: oklch(54.5% 0.163 269.4);

Tailwind

colors: {
  custom: {
    50: '#8a91de',
    500: '#4b66ce',
    950: '#000000',
  },
}

SCSS

$custom: #4b66ce;
$custom-light: #8a91de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b66ce",
  "rgb": {
    "r": 75,
    "g": 102,
    "b": 206
  },
  "hsl": {
    "h": 227.634,
    "s": 57.205,
    "l": 55.098
  },
  "oklch": {
    "l": 0.54513,
    "c": 0.16334,
    "h": 269.4
  },
  "luminance": 0.15455
}

Semantic roles & 50–950 ramp

primary

#4B66CE

secondary

#D6CB9F

accent

#C147E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4B66CE

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

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