#4580D3#4580D3

#4580D3 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.0% C 0.141 H 257.3°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#4580D3
RGB	rgb(69, 128, 211)
HSL	hsl(215, 62%, 55%)
HSV	hsv(215, 67%, 83%)
CMYK	cmyk(67.3%, 39.3%, 0%, 17.3%)
CIE-LAB	lab(53.39, 7.56, -48.41)
CIE-LCH	lch(53.39, 49.00, 278.88°)
OKLab	oklab(60.02% -0.0311 -0.1379)
OKLCH	oklch(60.02% 0.141 257.3)
XYZ	xyz(21.9270, 21.4045, 64.5913)
Luminance	0.2141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4580D3 #D39845

analogous

#45C7D3 #4580D3 #5145D3

triadic

#4580D3 #D34580 #80D345

tetradic

#4580D3 #D345C7 #D39845 #45D351

square

#4580D3 #D345C7 #D39845 #45D351

split-complementary

#4580D3 #D35145 #C7D345

monochromatic

#1E477F #2A62B1 #4580D3 #76A2DF #A8C4EA

Accessibility & contrast

On white

3.98

#4580D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#4580D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580D3

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4580D3	#FFFFFF	#000000	##000000
##4580D3	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A87D6

Deuteranopia (green-blind)

#4579D1

Tritanopia (blue-blind)

#00939F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4580d3;
/* rgb */ color: rgb(69, 128, 211);
/* oklch */ color: oklch(60.0% 0.141 257.3);

Tailwind

colors: {
  custom: {
    50: '#87a4e1',
    500: '#4580d3',
    950: '#000000',
  },
}

SCSS

$custom: #4580d3;
$custom-light: #87a4e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4580d3",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 211
  },
  "hsl": {
    "h": 215.07,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.60017,
    "c": 0.14135,
    "h": 257.3
  },
  "luminance": 0.21407
}

Semantic roles & 50–950 ramp

primary

#4580D3

secondary

#D8BF9C

accent

#A243E5

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #4580D3

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

Preview Lab → · Contrast checker → · Palette generator →