#4566BC#4566BC

#4566BC is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.0% C 0.140 H 266.0°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4566BC
RGB	rgb(69, 102, 188)
HSL	hsl(223, 47%, 50%)
HSV	hsv(223, 63%, 74%)
CMYK	cmyk(63.3%, 45.7%, 0%, 26.3%)
CIE-LAB	lab(44.80, 15.62, -48.95)
CIE-LCH	lch(44.80, 51.38, 287.70°)
OKLab	oklab(52.96% -0.0098 -0.1398)
OKLCH	oklch(52.96% 0.14 266)
XYZ	xyz(16.2796, 14.3973, 49.4882)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4566BC #BC9B45

analogous

#45A2BC #4566BC #5F45BC

triadic

#4566BC #BC4566 #66BC45

tetradic

#4566BC #BC45A2 #BC9B45 #45BC5F

square

#4566BC #BC45A2 #BC9B45 #45BC5F

split-complementary

#4566BC #BC5F45 #A2BC45

monochromatic

#243563 #344D90 #4566BC #728BCC #9FB0DC

Accessibility & contrast

On white

5.41

#4566BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#4566BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4566BC

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4566BC	#FFFFFF	#000000	##FFFFFF
##4566BC	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C70BF

Deuteranopia (green-blind)

#2865BA

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4566bc;
/* rgb */ color: rgb(69, 102, 188);
/* oklch */ color: oklch(53.0% 0.140 266.0);

Tailwind

colors: {
  custom: {
    50: '#8491d1',
    500: '#4566bc',
    950: '#000000',
  },
}

SCSS

$custom: #4566bc;
$custom-light: #8491d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4566bc",
  "rgb": {
    "r": 69,
    "g": 102,
    "b": 188
  },
  "hsl": {
    "h": 223.361,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.52958,
    "c": 0.14017,
    "h": 266
  },
  "luminance": 0.14399
}

Semantic roles & 50–950 ramp

primary

#4566BC

secondary

#C9BA94

accent

#B251D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4566BC

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

Preview Lab → · Contrast checker → · Palette generator →