#4C66CE#4C66CE

#4C66CE is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.6% C 0.163 H 269.7°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#4C66CE
RGB	rgb(76, 102, 206)
HSL	hsl(228, 57%, 55%)
HSV	hsv(228, 63%, 81%)
CMYK	cmyk(63.1%, 50.5%, 0%, 19.2%)
CIE-LAB	lab(46.30, 23.13, -56.89)
CIE-LCH	lch(46.30, 61.41, 292.12°)
OKLab	oklab(54.57% -0.0008 -0.163)
OKLCH	oklch(54.57% 0.163 269.7)
XYZ	xyz(18.8687, 15.4938, 60.3768)
Luminance	0.1550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66CE #CEB44C

analogous

#4CA7CE #4C66CE #734CCE

triadic

#4C66CE #CE4C66 #66CE4C

tetradic

#4C66CE #CE4CA7 #CEB44C #4CCE73

square

#4C66CE #CE4CA7 #CEB44C #4CCE73

split-complementary

#4C66CE #CE734C #A7CE4C

monochromatic

#22347D #2F49AD #4C66CE #7C8FDB #ACB8E8

Accessibility & contrast

On white

5.12

#4C66CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#4C66CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66CE

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66CE	#FFFFFF	#000000	##FFFFFF
##4C66CE	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B74D2

Deuteranopia (green-blind)

#0168CC

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4c66ce;
/* rgb */ color: rgb(76, 102, 206);
/* oklch */ color: oklch(54.6% 0.163 269.7);

Tailwind

colors: {
  custom: {
    50: '#8a91de',
    500: '#4c66ce',
    950: '#000000',
  },
}

SCSS

$custom: #4c66ce;
$custom-light: #8a91de;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66ce",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 206
  },
  "hsl": {
    "h": 228,
    "s": 57.018,
    "l": 55.294
  },
  "oklch": {
    "l": 0.54569,
    "c": 0.16305,
    "h": 269.7
  },
  "luminance": 0.15495
}

Semantic roles & 50–950 ramp

primary

#4C66CE

secondary

#D6CBA0

accent

#C248E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4C66CE

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

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