#3973af
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 115, 175
HSL
211°, 51%, 46%
CMYK
67, 34, 0, 31
Luminance
0.1623
Every format
| HEX | #3973af |
| RGB | rgb(57, 115, 175) |
| HSL | hsl(211, 51%, 46%) |
| CMYK | cmyk(67%, 34%, 0%, 31%) |
| LAB | lab(47.3 0.8 -37.5) |
| LCH | lch(47.3 37.5 271.2) |
| OKLCH | oklch(0.545 0.112 251.3) |
Copy-ready code
/* CSS */
color: #3973af;
background-color: #3973af;
/* Tailwind (arbitrary) */
class="text-[#3973af] bg-[#3973af]"
/* SCSS */
$brand: #3973af;
/* SwiftUI */
Color(red: 0.224, green: 0.451, blue: 0.686)
/* Android */
Color.parseColor("#3973af")Accessibility — WCAG contrast
Aa
#3973af on white: 4.95:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3973af on black: 4.25:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green45.1%
Blue68.6%
CMYK percentages
Cyan67.4%
Magenta34.3%
Yellow0.0%
Key (black)31.4%
Color previews
#3973af text on a black background
contrast 4.25:1
Card sample
#3973af text on a white background
contrast 4.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3973af;
Background color
Panel with #3973af background
background-color: #3973af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3973af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 115, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 115, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3973af; background: linear-gradient(135deg, #3973af, #4E39AF);