#4577D3#4577D3

#4577D3 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.1% C 0.151 H 261.5°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4577D3
RGB	rgb(69, 119, 211)
HSL	hsl(219, 62%, 55%)
HSV	hsv(219, 67%, 83%)
CMYK	cmyk(67.3%, 43.6%, 0%, 17.3%)
CIE-LAB	lab(50.87, 13.08, -52.42)
CIE-LCH	lch(50.87, 54.03, 284.01°)
OKLab	oklab(58.07% -0.0225 -0.1498)
OKLCH	oklch(58.07% 0.151 261.5)
XYZ	xyz(20.8048, 19.1599, 64.2172)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577D3 #D3A145

analogous

#45BED3 #4577D3 #5A45D3

triadic

#4577D3 #D34577 #77D345

tetradic

#4577D3 #D345BE #D3A145 #45D35A

square

#4577D3 #D345BE #D3A145 #45D35A

split-complementary

#4577D3 #D35A45 #BED345

monochromatic

#1E407F #2A59B1 #4577D3 #769BDF #A8BFEA

Accessibility & contrast

On white

4.35

#4577D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4577D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577D3

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577D3	#FFFFFF	#000000	##000000
##4577D3	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B80D7

Deuteranopia (green-blind)

#3273D1

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4577d3;
/* rgb */ color: rgb(69, 119, 211);
/* oklch */ color: oklch(58.1% 0.151 261.5);

Tailwind

colors: {
  custom: {
    50: '#889de1',
    500: '#4577d3',
    950: '#000000',
  },
}

SCSS

$custom: #4577d3;
$custom-light: #889de1;
$custom-dark: #000000;

JSON

{
  "hex": "#4577d3",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 211
  },
  "hsl": {
    "h": 218.873,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58069,
    "c": 0.15148,
    "h": 261.5
  },
  "luminance": 0.19162
}

Semantic roles & 50–950 ramp

primary

#4577D3

secondary

#D8C39C

accent

#AC43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4577D3

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

Preview Lab → · Contrast checker → · Palette generator →