#003dab
a dark, electric blue · cool · closest name: slateblue
RGB
0, 61, 171
HSL
219°, 100%, 34%
CMYK
100, 64, 0, 33
Luminance
0.0628
Every format
| HEX | #003dab |
| RGB | rgb(0, 61, 171) |
| HSL | hsl(219, 100%, 34%) |
| CMYK | cmyk(100%, 64%, 0%, 33%) |
| LAB | lab(30.1 29.3 -62.9) |
| LCH | lch(30.1 69.4 295.0) |
| OKLCH | oklch(0.408 0.184 261.7) |
Copy-ready code
/* CSS */
color: #003dab;
background-color: #003dab;
/* Tailwind (arbitrary) */
class="text-[#003dab] bg-[#003dab]"
/* SCSS */
$brand: #003dab;
/* SwiftUI */
Color(red: 0.000, green: 0.239, blue: 0.671)
/* Android */
Color.parseColor("#003dab")Accessibility — WCAG contrast
Aa
#003dab on white: 9.31:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#003dab on black: 2.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green23.9%
Blue67.1%
CMYK percentages
Cyan100.0%
Magenta64.3%
Yellow0.0%
Key (black)32.9%
Color previews
#003dab text on a black background
contrast 2.26:1
Card sample
#003dab text on a white background
contrast 9.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #003dab;
Background color
Panel with #003dab background
background-color: #003dab;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #003dab;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 61, 171, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 61, 171, 0.45);
Border & gradient
Gradient panel
border: 3px solid #003dab; background: linear-gradient(135deg, #003dab, #3500AB);