#397ccb
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 124, 203
HSL
213°, 58%, 51%
CMYK
72, 39, 0, 20
Luminance
0.1960
Every format
| HEX | #397ccb |
| RGB | rgb(57, 124, 203) |
| HSL | hsl(213, 58%, 51%) |
| CMYK | cmyk(72%, 39%, 0%, 20%) |
| LAB | lab(51.4 5.3 -47.1) |
| LCH | lch(51.4 47.4 276.5) |
| OKLCH | oklch(0.582 0.139 254.3) |
Copy-ready code
/* CSS */
color: #397ccb;
background-color: #397ccb;
/* Tailwind (arbitrary) */
class="text-[#397ccb] bg-[#397ccb]"
/* SCSS */
$brand: #397ccb;
/* SwiftUI */
Color(red: 0.224, green: 0.486, blue: 0.796)
/* Android */
Color.parseColor("#397ccb")Accessibility — WCAG contrast
Aa
#397ccb on white: 4.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397ccb on black: 4.92:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green48.6%
Blue79.6%
CMYK percentages
Cyan71.9%
Magenta38.9%
Yellow0.0%
Key (black)20.4%
Color previews
#397ccb text on a black background
contrast 4.92:1
Card sample
#397ccb text on a white background
contrast 4.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397ccb;
Background color
Panel with #397ccb background
background-color: #397ccb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397ccb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 124, 203, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 124, 203, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397ccb; background: linear-gradient(135deg, #397ccb, #5739CB);