#4C66BF#4C66BF

#4C66BF is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.5% C 0.142 H 269.0°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#4C66BF
RGB	rgb(76, 102, 191)
HSL	hsl(226, 47%, 52%)
HSV	hsv(226, 60%, 75%)
CMYK	cmyk(60.2%, 46.6%, 0%, 25.1%)
CIE-LAB	lab(45.36, 17.97, -49.77)
CIE-LCH	lch(45.36, 52.91, 289.85°)
OKLab	oklab(53.55% -0.0026 -0.1421)
OKLCH	oklch(53.55% 0.142 269)
XYZ	xyz(17.1327, 14.7994, 51.2338)
Luminance	0.1480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66BF #BFA54C

analogous

#4C9FBF #4C66BF #6C4CBF

triadic

#4C66BF #BF4C66 #66BF4C

tetradic

#4C66BF #BF4C9F #BFA54C #4CBF6C

square

#4C66BF #BF4C9F #BFA54C #4CBF6C

split-complementary

#4C66BF #BF6C4C #9FBF4C

monochromatic

#26366B #364C98 #4C66BF #798DCF #A6B3DF

Accessibility & contrast

On white

5.30

#4C66BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#4C66BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66BF

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66BF	#FFFFFF	#000000	##FFFFFF
##4C66BF	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B71C2

Deuteranopia (green-blind)

#2967BD

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4c66bf;
/* rgb */ color: rgb(76, 102, 191);
/* oklch */ color: oklch(53.5% 0.142 269.0);

Tailwind

colors: {
  custom: {
    50: '#8891d3',
    500: '#4c66bf',
    950: '#000000',
  },
}

SCSS

$custom: #4c66bf;
$custom-light: #8891d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66bf",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 191
  },
  "hsl": {
    "h": 226.435,
    "s": 47.325,
    "l": 52.353
  },
  "oklch": {
    "l": 0.53547,
    "c": 0.14212,
    "h": 269
  },
  "luminance": 0.14801
}

Semantic roles & 50–950 ramp

primary

#4C66BF

secondary

#CCC19A

accent

#B951D7

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4C66BF

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

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