#4573D1#4573D1

#4573D1 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.1% C 0.153 H 262.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4573D1
RGB	rgb(69, 115, 209)
HSL	hsl(220, 60%, 55%)
HSV	hsv(220, 67%, 82%)
CMYK	cmyk(67%, 45%, 0%, 18%)
CIE-LAB	lab(49.65, 14.86, -53.24)
CIE-LCH	lch(49.65, 55.28, 285.59°)
OKLab	oklab(57.09% -0.0191 -0.1523)
OKLCH	oklch(57.09% 0.153 262.9)
XYZ	xyz(20.0895, 18.1281, 62.7496)
Luminance	0.1813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573D1 #D1A345

analogous

#45B9D1 #4573D1 #5D45D1

triadic

#4573D1 #D14573 #73D145

tetradic

#4573D1 #D145B9 #D1A345 #45D15D

square

#4573D1 #D145B9 #D1A345 #45D15D

split-complementary

#4573D1 #D15D45 #B9D145

monochromatic

#1F3E7D #2B56AE #4573D1 #7698DD #A7BDE9

Accessibility & contrast

On white

4.54

#4573D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4573D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4573D1

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573D1	#FFFFFF	#000000	##000000
##4573D1	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#457DD5

Deuteranopia (green-blind)

#2B70CF

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4573d1;
/* rgb */ color: rgb(69, 115, 209);
/* oklch */ color: oklch(57.1% 0.153 262.9);

Tailwind

colors: {
  custom: {
    50: '#879ae0',
    500: '#4573d1',
    950: '#000000',
  },
}

SCSS

$custom: #4573d1;
$custom-light: #879ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#4573d1",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 209
  },
  "hsl": {
    "h": 220.286,
    "s": 60.345,
    "l": 54.51
  },
  "oklch": {
    "l": 0.5709,
    "c": 0.15346,
    "h": 262.9
  },
  "luminance": 0.1813
}

Semantic roles & 50–950 ramp

primary

#4573D1

secondary

#D7C39B

accent

#AF44E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4573D1

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

Preview Lab → · Contrast checker → · Palette generator →