#4D66BF#4D66BF

#4D66BF is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.6% C 0.142 H 269.4°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#4D66BF
RGB	rgb(77, 102, 191)
HSL	hsl(227, 47%, 53%)
HSV	hsv(227, 60%, 75%)
CMYK	cmyk(59.7%, 46.6%, 0%, 25.1%)
CIE-LAB	lab(45.42, 18.16, -49.67)
CIE-LCH	lch(45.42, 52.89, 290.08°)
OKLab	oklab(53.61% -0.0016 -0.1418)
OKLCH	oklch(53.61% 0.142 269.4)
XYZ	xyz(17.2128, 14.8407, 51.2376)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66BF #BFA64D

analogous

#4D9FBF #4D66BF #6D4DBF

triadic

#4D66BF #BF4D66 #66BF4D

tetradic

#4D66BF #BF4D9F #BFA64D #4DBF6D

square

#4D66BF #BF4D9F #BFA64D #4DBF6D

split-complementary

#4D66BF #BF6D4D #9FBF4D

monochromatic

#27366B #374C98 #4D66BF #7A8DCF #A7B3DF

Accessibility & contrast

On white

5.29

#4D66BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#4D66BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66BF

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66BF	#FFFFFF	#000000	##FFFFFF
##4D66BF	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B71C2

Deuteranopia (green-blind)

#2A67BD

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4d66bf;
/* rgb */ color: rgb(77, 102, 191);
/* oklch */ color: oklch(53.6% 0.142 269.4);

Tailwind

colors: {
  custom: {
    50: '#8891d3',
    500: '#4d66bf',
    950: '#000000',
  },
}

SCSS

$custom: #4d66bf;
$custom-light: #8891d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66bf",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 191
  },
  "hsl": {
    "h": 226.842,
    "s": 47.107,
    "l": 52.549
  },
  "oklch": {
    "l": 0.53605,
    "c": 0.14181,
    "h": 269.4
  },
  "luminance": 0.14842
}

Semantic roles & 50–950 ramp

primary

#4D66BF

secondary

#CDC29B

accent

#B951D7

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4D66BF

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

Preview Lab → · Contrast checker → · Palette generator →