#4C66BE#4C66BE

#4C66BE is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.5% C 0.141 H 268.9°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4C66BE
RGB	rgb(76, 102, 190)
HSL	hsl(226, 47%, 52%)
HSV	hsv(226, 60%, 75%)
CMYK	cmyk(60%, 46.3%, 0%, 25.5%)
CIE-LAB	lab(45.30, 17.63, -49.29)
CIE-LCH	lch(45.30, 52.34, 289.68°)
OKLab	oklab(53.48% -0.0027 -0.1407)
OKLCH	oklch(53.48% 0.141 268.9)
XYZ	xyz(17.0230, 14.7556, 50.6563)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C66BE #BEA44C

analogous

#4C9FBE #4C66BE #6B4CBE

triadic

#4C66BE #BE4C66 #66BE4C

tetradic

#4C66BE #BE4C9F #BEA44C #4CBE6B

square

#4C66BE #BE4C9F #BEA44C #4CBE6B

split-complementary

#4C66BE #BE6B4C #9FBE4C

monochromatic

#263669 #374C96 #4C66BE #798CCE #A6B3DF

Accessibility & contrast

On white

5.31

#4C66BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#4C66BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C66BE

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C66BE	#FFFFFF	#000000	##FFFFFF
##4C66BE	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C71C1

Deuteranopia (green-blind)

#2A66BC

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4c66be;
/* rgb */ color: rgb(76, 102, 190);
/* oklch */ color: oklch(53.5% 0.141 268.9);

Tailwind

colors: {
  custom: {
    50: '#8891d2',
    500: '#4c66be',
    950: '#000000',
  },
}

SCSS

$custom: #4c66be;
$custom-light: #8891d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4c66be",
  "rgb": {
    "r": 76,
    "g": 102,
    "b": 190
  },
  "hsl": {
    "h": 226.316,
    "s": 46.721,
    "l": 52.157
  },
  "oklch": {
    "l": 0.53481,
    "c": 0.14071,
    "h": 268.9
  },
  "luminance": 0.14757
}

Semantic roles & 50–950 ramp

primary

#4C66BE

secondary

#CCC09A

accent

#B851D6

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4C66BE

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

Preview Lab → · Contrast checker → · Palette generator →