#397fba
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 127, 186
HSL
207°, 53%, 48%
CMYK
69, 32, 0, 27
Luminance
0.1959
Every format
| HEX | #397fba |
| RGB | rgb(57, 127, 186) |
| HSL | hsl(207, 53%, 48%) |
| CMYK | cmyk(69%, 32%, 0%, 27%) |
| LAB | lab(51.4 -2.5 -37.4) |
| LCH | lch(51.4 37.5 266.1) |
| OKLCH | oklch(0.579 0.115 246.9) |
Copy-ready code
/* CSS */
color: #397fba;
background-color: #397fba;
/* Tailwind (arbitrary) */
class="text-[#397fba] bg-[#397fba]"
/* SCSS */
$brand: #397fba;
/* SwiftUI */
Color(red: 0.224, green: 0.498, blue: 0.729)
/* Android */
Color.parseColor("#397fba")Accessibility — WCAG contrast
Aa
#397fba on white: 4.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397fba on black: 4.92:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green49.8%
Blue72.9%
CMYK percentages
Cyan69.4%
Magenta31.7%
Yellow0.0%
Key (black)27.1%
Color previews
#397fba text on a black background
contrast 4.92:1
Card sample
#397fba text on a white background
contrast 4.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397fba;
Background color
Panel with #397fba background
background-color: #397fba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397fba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 127, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 127, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397fba; background: linear-gradient(135deg, #397fba, #4939BA);