#397dbf
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 125, 191
HSL
210°, 54%, 49%
CMYK
70, 35, 0, 25
Luminance
0.1930
Every format
| HEX | #397dbf |
| RGB | rgb(57, 125, 191) |
| HSL | hsl(210, 54%, 49%) |
| CMYK | cmyk(70%, 35%, 0%, 25%) |
| LAB | lab(51.0 0.4 -40.8) |
| LCH | lch(51.0 40.8 270.6) |
| OKLCH | oklch(0.577 0.123 250.2) |
Copy-ready code
/* CSS */
color: #397dbf;
background-color: #397dbf;
/* Tailwind (arbitrary) */
class="text-[#397dbf] bg-[#397dbf]"
/* SCSS */
$brand: #397dbf;
/* SwiftUI */
Color(red: 0.224, green: 0.490, blue: 0.749)
/* Android */
Color.parseColor("#397dbf")Accessibility — WCAG contrast
Aa
#397dbf on white: 4.32:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397dbf on black: 4.86:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green49.0%
Blue74.9%
CMYK percentages
Cyan70.2%
Magenta34.6%
Yellow0.0%
Key (black)25.1%
Color previews
#397dbf text on a black background
contrast 4.86:1
Card sample
#397dbf text on a white background
contrast 4.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397dbf;
Background color
Panel with #397dbf background
background-color: #397dbf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397dbf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 125, 191, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 125, 191, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397dbf; background: linear-gradient(135deg, #397dbf, #4E39BF);