#63b0df
a balanced, vivid blue · cool · closest name: skyblue
RGB
99, 176, 223
HSL
203°, 66%, 63%
CMYK
56, 21, 0, 13
Luminance
0.3903
Every format
| HEX | #63b0df |
| RGB | rgb(99, 176, 223) |
| HSL | hsl(203, 66%, 63%) |
| CMYK | cmyk(56%, 21%, 0%, 13%) |
| LAB | lab(68.8 -10.5 -30.9) |
| LCH | lch(68.8 32.6 251.2) |
| OKLCH | oklch(0.726 0.103 237.3) |
Copy-ready code
/* CSS */
color: #63b0df;
background-color: #63b0df;
/* Tailwind (arbitrary) */
class="text-[#63b0df] bg-[#63b0df]"
/* SCSS */
$brand: #63b0df;
/* SwiftUI */
Color(red: 0.388, green: 0.690, blue: 0.875)
/* Android */
Color.parseColor("#63b0df")Accessibility — WCAG contrast
Aa
#63b0df on white: 2.38:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#63b0df on black: 8.81:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green69.0%
Blue87.5%
CMYK percentages
Cyan55.6%
Magenta21.1%
Yellow0.0%
Key (black)12.5%
Color previews
#63b0df text on a black background
contrast 8.81:1
Card sample
#63b0df text on a white background
contrast 2.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #63b0df;
Background color
Panel with #63b0df background
background-color: #63b0df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #63b0df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 176, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 176, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #63b0df; background: linear-gradient(135deg, #63b0df, #6863DF);