#359bdf
a balanced, vivid blue · cool · closest name: steelblue
RGB
53, 155, 223
HSL
204°, 73%, 54%
CMYK
76, 31, 0, 13
Luminance
0.2953
Every format
| HEX | #359bdf |
| RGB | rgb(53, 155, 223) |
| HSL | hsl(204, 73%, 54%) |
| CMYK | cmyk(76%, 31%, 0%, 13%) |
| LAB | lab(61.2 -6.3 -42.8) |
| LCH | lch(61.2 43.2 261.6) |
| OKLCH | oklch(0.662 0.137 242.6) |
Copy-ready code
/* CSS */
color: #359bdf;
background-color: #359bdf;
/* Tailwind (arbitrary) */
class="text-[#359bdf] bg-[#359bdf]"
/* SCSS */
$brand: #359bdf;
/* SwiftUI */
Color(red: 0.208, green: 0.608, blue: 0.875)
/* Android */
Color.parseColor("#359bdf")Accessibility — WCAG contrast
Aa
#359bdf on white: 3.04:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#359bdf on black: 6.91:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green60.8%
Blue87.5%
CMYK percentages
Cyan76.2%
Magenta30.5%
Yellow0.0%
Key (black)12.5%
Color previews
#359bdf text on a black background
contrast 6.91:1
Card sample
#359bdf text on a white background
contrast 3.04:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #359bdf;
Background color
Panel with #359bdf background
background-color: #359bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #359bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 155, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 155, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #359bdf; background: linear-gradient(135deg, #359bdf, #4035DF);