#001f55
a deep, electric blue · cool · closest name: midnightblue
RGB
0, 31, 85
HSL
218°, 100%, 17%
CMYK
100, 64, 0, 67
Luminance
0.0164
Every format
| HEX | #001f55 |
| RGB | rgb(0, 31, 85) |
| HSL | hsl(218, 100%, 17%) |
| CMYK | cmyk(100%, 64%, 0%, 67%) |
| LAB | lab(13.4 14.0 -35.7) |
| LCH | lch(13.4 38.4 291.5) |
| OKLCH | oklch(0.259 0.105 259.9) |
Copy-ready code
/* CSS */
color: #001f55;
background-color: #001f55;
/* Tailwind (arbitrary) */
class="text-[#001f55] bg-[#001f55]"
/* SCSS */
$brand: #001f55;
/* SwiftUI */
Color(red: 0.000, green: 0.122, blue: 0.333)
/* Android */
Color.parseColor("#001f55")Accessibility — WCAG contrast
Aa
#001f55 on white: 15.82:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#001f55 on black: 1.33:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green12.2%
Blue33.3%
CMYK percentages
Cyan100.0%
Magenta63.5%
Yellow0.0%
Key (black)66.7%
Color previews
#001f55 text on a black background
contrast 1.33:1
Card sample
#001f55 text on a white background
contrast 15.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #001f55;
Background color
Panel with #001f55 background
background-color: #001f55;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #001f55;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 31, 85, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 31, 85, 0.45);
Border & gradient
Gradient panel
border: 3px solid #001f55; background: linear-gradient(135deg, #001f55, #1A0055);