#4D66BE#4D66BE

#4D66BE is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.5% C 0.140 H 269.3°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#4D66BE
RGB	rgb(77, 102, 190)
HSL	hsl(227, 47%, 52%)
HSV	hsv(227, 59%, 75%)
CMYK	cmyk(59.5%, 46.3%, 0%, 25.5%)
CIE-LAB	lab(45.35, 17.82, -49.19)
CIE-LCH	lch(45.35, 52.32, 289.91°)
OKLab	oklab(53.54% -0.0017 -0.1404)
OKLCH	oklch(53.54% 0.14 269.3)
XYZ	xyz(17.1031, 14.7968, 50.6600)
Luminance	0.1480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66BE #BEA54D

analogous

#4D9EBE #4D66BE #6D4DBE

triadic

#4D66BE #BE4D66 #66BE4D

tetradic

#4D66BE #BE4D9E #BEA54D #4DBE6D

square

#4D66BE #BE4D9E #BEA54D #4DBE6D

split-complementary

#4D66BE #BE6D4D #9EBE4D

monochromatic

#27366A #374C97 #4D66BE #7A8DCE #A7B3DF

Accessibility & contrast

On white

5.30

#4D66BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#4D66BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66BE

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66BE	#FFFFFF	#000000	##FFFFFF
##4D66BE	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)

#3C71C1

Deuteranopia (green-blind)

#2B67BC

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4d66be;
/* rgb */ color: rgb(77, 102, 190);
/* oklch */ color: oklch(53.5% 0.140 269.3);

Tailwind

colors: {
  custom: {
    50: '#8891d2',
    500: '#4d66be',
    950: '#000000',
  },
}

SCSS

$custom: #4d66be;
$custom-light: #8891d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66be",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 190
  },
  "hsl": {
    "h": 226.726,
    "s": 46.502,
    "l": 52.353
  },
  "oklch": {
    "l": 0.5354,
    "c": 0.14039,
    "h": 269.3
  },
  "luminance": 0.14798
}

Semantic roles & 50–950 ramp

primary

#4D66BE

secondary

#CCC19B

accent

#B952D6

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4D66BE

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

Preview Lab → · Contrast checker → · Palette generator →