#5b99df
a balanced, vivid blue · cool · closest name: steelblue
RGB
91, 153, 223
HSL
212°, 67%, 62%
CMYK
59, 31, 0, 13
Luminance
0.3033
Every format
| HEX | #5b99df |
| RGB | rgb(91, 153, 223) |
| HSL | hsl(212, 67%, 62%) |
| CMYK | cmyk(59%, 31%, 0%, 13%) |
| LAB | lab(61.9 0.7 -41.6) |
| LCH | lch(61.9 41.6 271.0) |
| OKLCH | oklch(0.671 0.123 252.7) |
Copy-ready code
/* CSS */
color: #5b99df;
background-color: #5b99df;
/* Tailwind (arbitrary) */
class="text-[#5b99df] bg-[#5b99df]"
/* SCSS */
$brand: #5b99df;
/* SwiftUI */
Color(red: 0.357, green: 0.600, blue: 0.875)
/* Android */
Color.parseColor("#5b99df")Accessibility — WCAG contrast
Aa
#5b99df on white: 2.97:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#5b99df on black: 7.07:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red35.7%
Green60.0%
Blue87.5%
CMYK percentages
Cyan59.2%
Magenta31.4%
Yellow0.0%
Key (black)12.5%
Color previews
#5b99df text on a black background
contrast 7.07:1
Card sample
#5b99df text on a white background
contrast 2.97:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #5b99df;
Background color
Panel with #5b99df background
background-color: #5b99df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #5b99df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(91, 153, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(91, 153, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #5b99df; background: linear-gradient(135deg, #5b99df, #755BDF);