#4563BF#4563BF

#4563BF is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.5% C 0.148 H 267.5°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4563BF
RGB	rgb(69, 99, 191)
HSL	hsl(225, 49%, 51%)
HSV	hsv(225, 64%, 75%)
CMYK	cmyk(63.9%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(44.16, 18.58, -51.71)
CIE-LCH	lch(44.16, 54.95, 289.76°)
OKLab	oklab(52.53% -0.0064 -0.148)
OKLCH	oklch(52.53% 0.148 267.5)
XYZ	xyz(16.3168, 13.9490, 51.1127)
Luminance	0.1395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4563BF #BFA145

analogous

#45A0BF #4563BF #6445BF

triadic

#4563BF #BF4563 #63BF45

tetradic

#4563BF #BF45A0 #BFA145 #45BF64

square

#4563BF #BF45A0 #BFA145 #45BF64

split-complementary

#4563BF #BF6445 #A0BF45

monochromatic

#233466 #334B94 #4563BF #7389CF #A0AFDE

Accessibility & contrast

On white

5.54

#4563BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#4563BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4563BF

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4563BF	#FFFFFF	#000000	##FFFFFF
##4563BF	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336EC2

Deuteranopia (green-blind)

#1A63BD

Tritanopia (blue-blind)

#007888

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4563bf;
/* rgb */ color: rgb(69, 99, 191);
/* oklch */ color: oklch(52.5% 0.148 267.5);

Tailwind

colors: {
  custom: {
    50: '#858fd3',
    500: '#4563bf',
    950: '#000000',
  },
}

SCSS

$custom: #4563bf;
$custom-light: #858fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4563bf",
  "rgb": {
    "r": 69,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 225.246,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5253,
    "c": 0.14814,
    "h": 267.5
  },
  "luminance": 0.1395
}

Semantic roles & 50–950 ramp

primary

#4563BF

secondary

#CBBE95

accent

#B74FD8

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4563BF

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

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