#397eb2
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 126, 178
HSL
206°, 52%, 46%
CMYK
68, 29, 0, 30
Luminance
0.1901
Every format
| HEX | #397eb2 |
| RGB | rgb(57, 126, 178) |
| HSL | hsl(206, 52%, 46%) |
| CMYK | cmyk(68%, 29%, 0%, 30%) |
| LAB | lab(50.7 -4.8 -33.9) |
| LCH | lch(50.7 34.2 262.0) |
| OKLCH | oklch(0.572 0.106 244.1) |
Copy-ready code
/* CSS */
color: #397eb2;
background-color: #397eb2;
/* Tailwind (arbitrary) */
class="text-[#397eb2] bg-[#397eb2]"
/* SCSS */
$brand: #397eb2;
/* SwiftUI */
Color(red: 0.224, green: 0.494, blue: 0.698)
/* Android */
Color.parseColor("#397eb2")Accessibility — WCAG contrast
Aa
#397eb2 on white: 4.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397eb2 on black: 4.80:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green49.4%
Blue69.8%
CMYK percentages
Cyan68.0%
Magenta29.2%
Yellow0.0%
Key (black)30.2%
Color previews
#397eb2 text on a black background
contrast 4.80:1
Card sample
#397eb2 text on a white background
contrast 4.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397eb2;
Background color
Panel with #397eb2 background
background-color: #397eb2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397eb2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 126, 178, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 126, 178, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397eb2; background: linear-gradient(135deg, #397eb2, #4539B2);