#218cdf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
33, 140, 223
HSL
206°, 75%, 50%
CMYK
85, 37, 0, 13
Luminance
0.2441
Every format
| HEX | #218cdf |
| RGB | rgb(33, 140, 223) |
| HSL | hsl(206, 75%, 50%) |
| CMYK | cmyk(85%, 37%, 0%, 13%) |
| LAB | lab(56.5 0.6 -50.3) |
| LCH | lch(56.5 50.3 270.6) |
| OKLCH | oklch(0.624 0.155 247.9) |
Copy-ready code
/* CSS */
color: #218cdf;
background-color: #218cdf;
/* Tailwind (arbitrary) */
class="text-[#218cdf] bg-[#218cdf]"
/* SCSS */
$brand: #218cdf;
/* SwiftUI */
Color(red: 0.129, green: 0.549, blue: 0.875)
/* Android */
Color.parseColor("#218cdf")Accessibility — WCAG contrast
Aa
#218cdf on white: 3.57:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#218cdf on black: 5.88:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green54.9%
Blue87.5%
CMYK percentages
Cyan85.2%
Magenta37.2%
Yellow0.0%
Key (black)12.5%
Color previews
#218cdf text on a black background
contrast 5.88:1
Card sample
#218cdf text on a white background
contrast 3.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #218cdf;
Background color
Panel with #218cdf background
background-color: #218cdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #218cdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 140, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 140, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #218cdf; background: linear-gradient(135deg, #218cdf, #3521DF);