#4563BB#4563BB

#4563BB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.3% C 0.143 H 267.2°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#4563BB
RGB	rgb(69, 99, 187)
HSL	hsl(225, 46%, 50%)
HSV	hsv(225, 63%, 73%)
CMYK	cmyk(63.1%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(43.91, 17.17, -49.79)
CIE-LCH	lch(43.91, 52.67, 289.03°)
OKLab	oklab(52.26% -0.0069 -0.1423)
OKLCH	oklch(52.26% 0.143 267.2)
XYZ	xyz(15.8827, 13.7753, 48.8260)
Luminance	0.1378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4563BB #BB9D45

analogous

#459EBB #4563BB #6245BB

triadic

#4563BB #BB4563 #63BB45

tetradic

#4563BB #BB459E #BB9D45 #45BB62

square

#4563BB #BB459E #BB9D45 #45BB62

split-complementary

#4563BB #BB6245 #9EBB45

monochromatic

#243462 #344B8F #4563BB #7289CB #9FAEDC

Accessibility & contrast

On white

5.59

#4563BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#4563BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4563BB

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4563BB	#FFFFFF	#000000	##FFFFFF
##4563BB	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376DBE

Deuteranopia (green-blind)

#2263B9

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4563bb;
/* rgb */ color: rgb(69, 99, 187);
/* oklch */ color: oklch(52.3% 0.143 267.2);

Tailwind

colors: {
  custom: {
    50: '#848fd0',
    500: '#4563bb',
    950: '#000000',
  },
}

SCSS

$custom: #4563bb;
$custom-light: #848fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4563bb",
  "rgb": {
    "r": 69,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 224.746,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.52258,
    "c": 0.14252,
    "h": 267.2
  },
  "luminance": 0.13777
}

Semantic roles & 50–950 ramp

primary

#4563BB

secondary

#C8BB94

accent

#B452D6

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4563BB

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

Preview Lab → · Contrast checker → · Palette generator →