#373c8b
a dark, soft blue · warm · closest name: midnightblue
RGB
55, 60, 139
HSL
236°, 43%, 38%
CMYK
60, 57, 0, 46
Luminance
0.0591
Every format
| HEX | #373c8b |
| RGB | rgb(55, 60, 139) |
| HSL | hsl(236, 43%, 38%) |
| CMYK | cmyk(60%, 57%, 0%, 46%) |
| LAB | lab(29.2 23.0 -44.8) |
| LCH | lch(29.2 50.4 297.2) |
| OKLCH | oklch(0.399 0.129 276.1) |
Copy-ready code
/* CSS */
color: #373c8b;
background-color: #373c8b;
/* Tailwind (arbitrary) */
class="text-[#373c8b] bg-[#373c8b]"
/* SCSS */
$brand: #373c8b;
/* SwiftUI */
Color(red: 0.216, green: 0.235, blue: 0.545)
/* Android */
Color.parseColor("#373c8b")Accessibility — WCAG contrast
Aa
#373c8b on white: 9.63:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#373c8b on black: 2.18:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green23.5%
Blue54.5%
CMYK percentages
Cyan60.4%
Magenta56.8%
Yellow0.0%
Key (black)45.5%
Color previews
#373c8b text on a black background
contrast 2.18:1
Card sample
#373c8b text on a white background
contrast 9.63:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #373c8b;
Background color
Panel with #373c8b background
background-color: #373c8b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #373c8b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 60, 139, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 60, 139, 0.45);
Border & gradient
Gradient panel
border: 3px solid #373c8b; background: linear-gradient(135deg, #373c8b, #6A378B);