#4563CB#4563CB

#4563CB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.4% C 0.165 H 268.3°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4563CB
RGB	rgb(69, 99, 203)
HSL	hsl(227, 56%, 53%)
HSV	hsv(227, 66%, 80%)
CMYK	cmyk(66%, 51.2%, 0%, 20.4%)
CIE-LAB	lab(44.94, 22.81, -57.39)
CIE-LCH	lch(44.94, 61.75, 291.68°)
OKLab	oklab(53.37% -0.005 -0.1647)
OKLCH	oklch(53.37% 0.165 268.3)
XYZ	xyz(17.6919, 14.4990, 58.3546)
Luminance	0.1450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4563CB #CBAD45

analogous

#45A6CB #4563CB #6A45CB

triadic

#4563CB #CB4563 #63CB45

tetradic

#4563CB #CB45A6 #CBAD45 #45CB6A

square

#4563CB #CB45A6 #CBAD45 #45CB6A

split-complementary

#4563CB #CB6A45 #A6CB45

monochromatic

#213475 #2E49A5 #4563CB #758BD8 #A5B3E6

Accessibility & contrast

On white

5.38

#4563CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#4563CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4563CB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4563CB	#FFFFFF	#000000	##FFFFFF
##4563CB	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2471CF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#007B8D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4563cb;
/* rgb */ color: rgb(69, 99, 203);
/* oklch */ color: oklch(53.4% 0.165 268.3);

Tailwind

colors: {
  custom: {
    50: '#878fdb',
    500: '#4563cb',
    950: '#000000',
  },
}

SCSS

$custom: #4563cb;
$custom-light: #878fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4563cb",
  "rgb": {
    "r": 69,
    "g": 99,
    "b": 203
  },
  "hsl": {
    "h": 226.567,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.53373,
    "c": 0.16477,
    "h": 268.3
  },
  "luminance": 0.14501
}

Semantic roles & 50–950 ramp

primary

#4563CB

secondary

#D3C699

accent

#BE48E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4563CB

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

Preview Lab → · Contrast checker → · Palette generator →