#4563BC#4563BC

#4563BC is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.3% C 0.144 H 267.3°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4563BC
RGB	rgb(69, 99, 188)
HSL	hsl(225, 47%, 50%)
HSV	hsv(225, 63%, 74%)
CMYK	cmyk(63.3%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(43.97, 17.52, -50.27)
CIE-LCH	lch(43.97, 53.24, 289.22°)
OKLab	oklab(52.33% -0.0068 -0.1438)
OKLCH	oklch(52.33% 0.144 267.3)
XYZ	xyz(15.9901, 13.8183, 49.3917)
Luminance	0.1382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4563BC #BC9E45

analogous

#459EBC #4563BC #6245BC

triadic

#4563BC #BC4563 #63BC45

tetradic

#4563BC #BC459E #BC9E45 #45BC62

square

#4563BC #BC459E #BC9E45 #45BC62

split-complementary

#4563BC #BC6245 #9EBC45

monochromatic

#243463 #344B90 #4563BC #7289CC #9FAEDC

Accessibility & contrast

On white

5.58

#4563BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#4563BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4563BC

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4563BC	#FFFFFF	#000000	##FFFFFF
##4563BC	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366EBF

Deuteranopia (green-blind)

#2063BA

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4563bc;
/* rgb */ color: rgb(69, 99, 188);
/* oklch */ color: oklch(52.3% 0.144 267.3);

Tailwind

colors: {
  custom: {
    50: '#848fd1',
    500: '#4563bc',
    950: '#000000',
  },
}

SCSS

$custom: #4563bc;
$custom-light: #848fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4563bc",
  "rgb": {
    "r": 69,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 224.874,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.52326,
    "c": 0.14393,
    "h": 267.3
  },
  "luminance": 0.1382
}

Semantic roles & 50–950 ramp

primary

#4563BC

secondary

#C9BC94

accent

#B551D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4563BC

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

Preview Lab → · Contrast checker → · Palette generator →