#4573CD#4573CD

#4573CD is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.8% C 0.148 H 262.3°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4573CD
RGB	rgb(69, 115, 205)
HSL	hsl(220, 58%, 54%)
HSV	hsv(220, 66%, 80%)
CMYK	cmyk(66.3%, 43.9%, 0%, 19.6%)
CIE-LAB	lab(49.41, 13.44, -51.34)
CIE-LCH	lch(49.41, 53.07, 284.67°)
OKLab	oklab(56.83% -0.0198 -0.1467)
OKLCH	oklch(56.83% 0.148 262.3)
XYZ	xyz(19.6005, 17.9325, 60.1741)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573CD #CD9F45

analogous

#45B7CD #4573CD #5B45CD

triadic

#4573CD #CD4573 #73CD45

tetradic

#4573CD #CD45B7 #CD9F45 #45CD5B

square

#4573CD #CD45B7 #CD9F45 #45CD5B

split-complementary

#4573CD #CD5B45 #B7CD45

monochromatic

#203E77 #2D57A8 #4573CD #7597DA #A5BCE7

Accessibility & contrast

On white

4.58

#4573CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#4573CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4573CD

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573CD	#FFFFFF	#000000	##000000
##4573CD	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487CD0

Deuteranopia (green-blind)

#3170CB

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4573cd;
/* rgb */ color: rgb(69, 115, 205);
/* oklch */ color: oklch(56.8% 0.148 262.3);

Tailwind

colors: {
  custom: {
    50: '#879add',
    500: '#4573cd',
    950: '#000000',
  },
}

SCSS

$custom: #4573cd;
$custom-light: #879add;
$custom-dark: #000000;

JSON

{
  "hex": "#4573cd",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 205
  },
  "hsl": {
    "h": 219.706,
    "s": 57.627,
    "l": 53.725
  },
  "oklch": {
    "l": 0.56831,
    "c": 0.14801,
    "h": 262.3
  },
  "luminance": 0.17934
}

Semantic roles & 50–950 ramp

primary

#4573CD

secondary

#D4C09A

accent

#AD47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4573CD

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

Preview Lab → · Contrast checker → · Palette generator →