#4579D3#4579D3

#4579D3 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.5% C 0.149 H 260.6°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#4579D3
RGB	rgb(69, 121, 211)
HSL	hsl(218, 62%, 55%)
HSV	hsv(218, 67%, 83%)
CMYK	cmyk(67.3%, 42.7%, 0%, 17.3%)
CIE-LAB	lab(51.43, 11.85, -51.54)
CIE-LCH	lch(51.43, 52.88, 282.95°)
OKLab	oklab(58.5% -0.0244 -0.1472)
OKLCH	oklch(58.5% 0.149 260.6)
XYZ	xyz(21.0453, 19.6410, 64.2974)
Luminance	0.1964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4579D3 #D39F45

analogous

#45C0D3 #4579D3 #5845D3

triadic

#4579D3 #D34579 #79D345

tetradic

#4579D3 #D345C0 #D39F45 #45D358

square

#4579D3 #D345C0 #D39F45 #45D358

split-complementary

#4579D3 #D35845 #C0D345

monochromatic

#1E427F #2A5BB1 #4579D3 #769DDF #A8C0EA

Accessibility & contrast

On white

4.26

#4579D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#4579D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579D3

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4579D3	#FFFFFF	#000000	##000000
##4579D3	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E82D6

Deuteranopia (green-blind)

#3774D1

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4579d3;
/* rgb */ color: rgb(69, 121, 211);
/* oklch */ color: oklch(58.5% 0.149 260.6);

Tailwind

colors: {
  custom: {
    50: '#879fe1',
    500: '#4579d3',
    950: '#000000',
  },
}

SCSS

$custom: #4579d3;
$custom-light: #879fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#4579d3",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 211
  },
  "hsl": {
    "h": 218.028,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58498,
    "c": 0.14917,
    "h": 260.6
  },
  "luminance": 0.19643
}

Semantic roles & 50–950 ramp

primary

#4579D3

secondary

#D8C29C

accent

#AA43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4579D3

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

Preview Lab → · Contrast checker → · Palette generator →