#397bba
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 123, 186
HSL
209°, 53%, 48%
CMYK
69, 34, 0, 27
Luminance
0.1858
Every format
| HEX | #397bba |
| RGB | rgb(57, 123, 186) |
| HSL | hsl(209, 53%, 48%) |
| CMYK | cmyk(69%, 34%, 0%, 27%) |
| LAB | lab(50.2 -0.2 -39.3) |
| LCH | lch(50.2 39.3 269.8) |
| OKLCH | oklch(0.570 0.119 249.8) |
Copy-ready code
/* CSS */
color: #397bba;
background-color: #397bba;
/* Tailwind (arbitrary) */
class="text-[#397bba] bg-[#397bba]"
/* SCSS */
$brand: #397bba;
/* SwiftUI */
Color(red: 0.224, green: 0.482, blue: 0.729)
/* Android */
Color.parseColor("#397bba")Accessibility — WCAG contrast
Aa
#397bba on white: 4.45:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397bba on black: 4.72:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green48.2%
Blue72.9%
CMYK percentages
Cyan69.4%
Magenta33.9%
Yellow0.0%
Key (black)27.1%
Color previews
#397bba text on a black background
contrast 4.72:1
Card sample
#397bba text on a white background
contrast 4.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397bba;
Background color
Panel with #397bba background
background-color: #397bba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397bba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 123, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 123, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397bba; background: linear-gradient(135deg, #397bba, #4D39BA);