#3f7fcb
a balanced, vivid blue · cool · closest name: steelblue
RGB
63, 127, 203
HSL
213°, 57%, 52%
CMYK
69, 37, 0, 20
Luminance
0.2055
Every format
| HEX | #3f7fcb |
| RGB | rgb(63, 127, 203) |
| HSL | hsl(213, 57%, 52%) |
| CMYK | cmyk(69%, 37%, 0%, 20%) |
| LAB | lab(52.5 4.4 -45.4) |
| LCH | lch(52.5 45.6 275.5) |
| OKLCH | oklch(0.591 0.134 254.3) |
Copy-ready code
/* CSS */
color: #3f7fcb;
background-color: #3f7fcb;
/* Tailwind (arbitrary) */
class="text-[#3f7fcb] bg-[#3f7fcb]"
/* SCSS */
$brand: #3f7fcb;
/* SwiftUI */
Color(red: 0.247, green: 0.498, blue: 0.796)
/* Android */
Color.parseColor("#3f7fcb")Accessibility — WCAG contrast
Aa
#3f7fcb on white: 4.11:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f7fcb on black: 5.11:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green49.8%
Blue79.6%
CMYK percentages
Cyan69.0%
Magenta37.4%
Yellow0.0%
Key (black)20.4%
Color previews
#3f7fcb text on a black background
contrast 5.11:1
Card sample
#3f7fcb text on a white background
contrast 4.11:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f7fcb;
Background color
Panel with #3f7fcb background
background-color: #3f7fcb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f7fcb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 127, 203, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 127, 203, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f7fcb; background: linear-gradient(135deg, #3f7fcb, #5D3FCB);