#3f8daf
a balanced, vivid cyan · cool · closest name: steelblue
RGB
63, 141, 175
HSL
198°, 47%, 47%
CMYK
64, 19, 0, 31
Luminance
0.2320
Every format
| HEX | #3f8daf |
| RGB | rgb(63, 141, 175) |
| HSL | hsl(198, 47%, 47%) |
| CMYK | cmyk(64%, 19%, 0%, 31%) |
| LAB | lab(55.3 -13.3 -25.0) |
| LCH | lch(55.3 28.3 242.0) |
| OKLCH | oklch(0.609 0.092 229.6) |
Copy-ready code
/* CSS */
color: #3f8daf;
background-color: #3f8daf;
/* Tailwind (arbitrary) */
class="text-[#3f8daf] bg-[#3f8daf]"
/* SCSS */
$brand: #3f8daf;
/* SwiftUI */
Color(red: 0.247, green: 0.553, blue: 0.686)
/* Android */
Color.parseColor("#3f8daf")Accessibility — WCAG contrast
Aa
#3f8daf on white: 3.72:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f8daf on black: 5.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green55.3%
Blue68.6%
CMYK percentages
Cyan64.0%
Magenta19.4%
Yellow0.0%
Key (black)31.4%
Color previews
#3f8daf text on a black background
contrast 5.64:1
Card sample
#3f8daf text on a white background
contrast 3.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f8daf;
Background color
Panel with #3f8daf background
background-color: #3f8daf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f8daf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 141, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 141, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f8daf; background: linear-gradient(135deg, #3f8daf, #3F42AF);