#63addf
a balanced, vivid blue · cool · closest name: steelblue
RGB
99, 173, 223
HSL
204°, 66%, 63%
CMYK
56, 22, 0, 13
Luminance
0.3787
Every format
| HEX | #63addf |
| RGB | rgb(99, 173, 223) |
| HSL | hsl(204, 66%, 63%) |
| CMYK | cmyk(56%, 22%, 0%, 13%) |
| LAB | lab(67.9 -8.9 -32.2) |
| LCH | lch(67.9 33.4 254.6) |
| OKLCH | oklch(0.719 0.104 239.9) |
Copy-ready code
/* CSS */
color: #63addf;
background-color: #63addf;
/* Tailwind (arbitrary) */
class="text-[#63addf] bg-[#63addf]"
/* SCSS */
$brand: #63addf;
/* SwiftUI */
Color(red: 0.388, green: 0.678, blue: 0.875)
/* Android */
Color.parseColor("#63addf")Accessibility — WCAG contrast
Aa
#63addf on white: 2.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#63addf on black: 8.57:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green67.8%
Blue87.5%
CMYK percentages
Cyan55.6%
Magenta22.4%
Yellow0.0%
Key (black)12.5%
Color previews
#63addf text on a black background
contrast 8.57:1
Card sample
#63addf text on a white background
contrast 2.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #63addf;
Background color
Panel with #63addf background
background-color: #63addf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #63addf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 173, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 173, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #63addf; background: linear-gradient(135deg, #63addf, #6B63DF);