#397cbf
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 124, 191
HSL
210°, 54%, 49%
CMYK
70, 35, 0, 25
Luminance
0.1905
Every format
| HEX | #397cbf |
| RGB | rgb(57, 124, 191) |
| HSL | hsl(210, 54%, 49%) |
| CMYK | cmyk(70%, 35%, 0%, 25%) |
| LAB | lab(50.7 1.0 -41.3) |
| LCH | lch(50.7 41.3 271.4) |
| OKLCH | oklch(0.575 0.124 250.9) |
Copy-ready code
/* CSS */
color: #397cbf;
background-color: #397cbf;
/* Tailwind (arbitrary) */
class="text-[#397cbf] bg-[#397cbf]"
/* SCSS */
$brand: #397cbf;
/* SwiftUI */
Color(red: 0.224, green: 0.486, blue: 0.749)
/* Android */
Color.parseColor("#397cbf")Accessibility — WCAG contrast
Aa
#397cbf on white: 4.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397cbf on black: 4.81:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green48.6%
Blue74.9%
CMYK percentages
Cyan70.2%
Magenta35.1%
Yellow0.0%
Key (black)25.1%
Color previews
#397cbf text on a black background
contrast 4.81:1
Card sample
#397cbf text on a white background
contrast 4.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397cbf;
Background color
Panel with #397cbf background
background-color: #397cbf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397cbf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 124, 191, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 124, 191, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397cbf; background: linear-gradient(135deg, #397cbf, #4F39BF);