#3f91cd
a balanced, vivid blue · cool · closest name: steelblue
RGB
63, 145, 205
HSL
205°, 59%, 53%
CMYK
69, 29, 0, 20
Luminance
0.2572
Every format
| HEX | #3f91cd |
| RGB | rgb(63, 145, 205) |
| HSL | hsl(205, 59%, 53%) |
| CMYK | cmyk(69%, 29%, 0%, 20%) |
| LAB | lab(57.8 -5.5 -38.1) |
| LCH | lch(57.8 38.5 261.8) |
| OKLCH | oklch(0.633 0.120 243.6) |
Copy-ready code
/* CSS */
color: #3f91cd;
background-color: #3f91cd;
/* Tailwind (arbitrary) */
class="text-[#3f91cd] bg-[#3f91cd]"
/* SCSS */
$brand: #3f91cd;
/* SwiftUI */
Color(red: 0.247, green: 0.569, blue: 0.804)
/* Android */
Color.parseColor("#3f91cd")Accessibility — WCAG contrast
Aa
#3f91cd on white: 3.42:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3f91cd on black: 6.14:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green56.9%
Blue80.4%
CMYK percentages
Cyan69.3%
Magenta29.3%
Yellow0.0%
Key (black)19.6%
Color previews
#3f91cd text on a black background
contrast 6.14:1
Card sample
#3f91cd text on a white background
contrast 3.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f91cd;
Background color
Panel with #3f91cd background
background-color: #3f91cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f91cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 145, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 145, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f91cd; background: linear-gradient(135deg, #3f91cd, #4C3FCD);