#218dbb
a dark, vivid cyan · cool · closest name: steelblue
RGB
33, 141, 187
HSL
198°, 70%, 43%
CMYK
82, 25, 0, 27
Luminance
0.2296
Every format
| HEX | #218dbb |
| RGB | rgb(33, 141, 187) |
| HSL | hsl(198, 70%, 43%) |
| CMYK | cmyk(82%, 25%, 0%, 27%) |
| LAB | lab(55.0 -13.2 -32.3) |
| LCH | lch(55.0 34.9 247.8) |
| OKLCH | oklch(0.606 0.115 232.4) |
Copy-ready code
/* CSS */
color: #218dbb;
background-color: #218dbb;
/* Tailwind (arbitrary) */
class="text-[#218dbb] bg-[#218dbb]"
/* SCSS */
$brand: #218dbb;
/* SwiftUI */
Color(red: 0.129, green: 0.553, blue: 0.733)
/* Android */
Color.parseColor("#218dbb")Accessibility — WCAG contrast
Aa
#218dbb on white: 3.76:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#218dbb on black: 5.59:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green55.3%
Blue73.3%
CMYK percentages
Cyan82.4%
Magenta24.6%
Yellow0.0%
Key (black)26.7%
Color previews
#218dbb text on a black background
contrast 5.59:1
Card sample
#218dbb text on a white background
contrast 3.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #218dbb;
Background color
Panel with #218dbb background
background-color: #218dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #218dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 141, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 141, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #218dbb; background: linear-gradient(135deg, #218dbb, #2126BB);