#397bbc
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 123, 188
HSL
210°, 54%, 48%
CMYK
70, 35, 0, 26
Luminance
0.1867
Every format
| HEX | #397bbc |
| RGB | rgb(57, 123, 188) |
| HSL | hsl(210, 54%, 48%) |
| CMYK | cmyk(70%, 35%, 0%, 26%) |
| LAB | lab(50.3 0.6 -40.2) |
| LCH | lch(50.3 40.2 270.8) |
| OKLCH | oklch(0.571 0.121 250.5) |
Copy-ready code
/* CSS */
color: #397bbc;
background-color: #397bbc;
/* Tailwind (arbitrary) */
class="text-[#397bbc] bg-[#397bbc]"
/* SCSS */
$brand: #397bbc;
/* SwiftUI */
Color(red: 0.224, green: 0.482, blue: 0.737)
/* Android */
Color.parseColor("#397bbc")Accessibility — WCAG contrast
Aa
#397bbc on white: 4.44:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397bbc on black: 4.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green48.2%
Blue73.7%
CMYK percentages
Cyan69.7%
Magenta34.6%
Yellow0.0%
Key (black)26.3%
Color previews
#397bbc text on a black background
contrast 4.73:1
Card sample
#397bbc text on a white background
contrast 4.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397bbc;
Background color
Panel with #397bbc background
background-color: #397bbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397bbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 123, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 123, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397bbc; background: linear-gradient(135deg, #397bbc, #4E39BC);