#4573D2#4573D2

#4573D2 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.155 H 263.0°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4573D2
RGB	rgb(69, 115, 210)
HSL	hsl(220, 61%, 55%)
HSV	hsv(220, 67%, 82%)
CMYK	cmyk(67.1%, 45.2%, 0%, 17.6%)
CIE-LAB	lab(49.71, 15.21, -53.72)
CIE-LCH	lch(49.71, 55.83, 285.81°)
OKLab	oklab(57.16% -0.0189 -0.1537)
OKLCH	oklch(57.16% 0.155 263)
XYZ	xyz(20.2137, 18.1778, 63.4037)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573D2 #D2A445

analogous

#45B9D2 #4573D2 #5E45D2

triadic

#4573D2 #D24573 #73D245

tetradic

#4573D2 #D245B9 #D2A445 #45D25E

square

#4573D2 #D245B9 #D2A445 #45D25E

split-complementary

#4573D2 #D25E45 #B9D245

monochromatic

#1F3E7E #2A56AF #4573D2 #7698DE #A8BDEA

Accessibility & contrast

On white

4.53

#4573D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4573D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4573D2

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573D2	#FFFFFF	#000000	##000000
##4573D2	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#447DD6

Deuteranopia (green-blind)

#2970D0

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4573d2;
/* rgb */ color: rgb(69, 115, 210);
/* oklch */ color: oklch(57.2% 0.155 263.0);

Tailwind

colors: {
  custom: {
    50: '#879ae0',
    500: '#4573d2',
    950: '#000000',
  },
}

SCSS

$custom: #4573d2;
$custom-light: #879ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#4573d2",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 210
  },
  "hsl": {
    "h": 220.426,
    "s": 61.039,
    "l": 54.706
  },
  "oklch": {
    "l": 0.57156,
    "c": 0.15482,
    "h": 263
  },
  "luminance": 0.1818
}

Semantic roles & 50–950 ramp

primary

#4573D2

secondary

#D7C49C

accent

#B044E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4573D2

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

Preview Lab → · Contrast checker → · Palette generator →