#397bbd
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 123, 189
HSL
210°, 54%, 48%
CMYK
70, 35, 0, 26
Luminance
0.1871
Every format
| HEX | #397bbd |
| RGB | rgb(57, 123, 189) |
| HSL | hsl(210, 54%, 48%) |
| CMYK | cmyk(70%, 35%, 0%, 26%) |
| LAB | lab(50.3 0.9 -40.7) |
| LCH | lch(50.3 40.7 271.3) |
| OKLCH | oklch(0.571 0.122 250.8) |
Copy-ready code
/* CSS */
color: #397bbd;
background-color: #397bbd;
/* Tailwind (arbitrary) */
class="text-[#397bbd] bg-[#397bbd]"
/* SCSS */
$brand: #397bbd;
/* SwiftUI */
Color(red: 0.224, green: 0.482, blue: 0.741)
/* Android */
Color.parseColor("#397bbd")Accessibility — WCAG contrast
Aa
#397bbd on white: 4.43:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397bbd on black: 4.74:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green48.2%
Blue74.1%
CMYK percentages
Cyan69.8%
Magenta34.9%
Yellow0.0%
Key (black)25.9%
Color previews
#397bbd text on a black background
contrast 4.74:1
Card sample
#397bbd text on a white background
contrast 4.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397bbd;
Background color
Panel with #397bbd background
background-color: #397bbd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397bbd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 123, 189, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 123, 189, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397bbd; background: linear-gradient(135deg, #397bbd, #4F39BD);