#2100a3
a dark, electric blue · warm · closest name: navy
RGB
33, 0, 163
HSL
252°, 100%, 32%
CMYK
80, 100, 0, 36
Luminance
0.0297
Every format
| HEX | #2100a3 |
| RGB | rgb(33, 0, 163) |
| HSL | hsl(252, 100%, 32%) |
| CMYK | cmyk(80%, 100%, 0%, 36%) |
| LAB | lab(19.9 57.1 -74.9) |
| LCH | lch(19.9 94.2 307.3) |
| OKLCH | oklch(0.336 0.216 272.2) |
Copy-ready code
/* CSS */
color: #2100a3;
background-color: #2100a3;
/* Tailwind (arbitrary) */
class="text-[#2100a3] bg-[#2100a3]"
/* SCSS */
$brand: #2100a3;
/* SwiftUI */
Color(red: 0.129, green: 0.000, blue: 0.639)
/* Android */
Color.parseColor("#2100a3")Accessibility — WCAG contrast
Aa
#2100a3 on white: 13.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2100a3 on black: 1.59:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green0.0%
Blue63.9%
CMYK percentages
Cyan79.8%
Magenta100.0%
Yellow0.0%
Key (black)36.1%
Color previews
#2100a3 text on a black background
contrast 1.59:1
Card sample
#2100a3 text on a white background
contrast 13.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2100a3;
Background color
Panel with #2100a3 background
background-color: #2100a3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2100a3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 0, 163, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 0, 163, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2100a3; background: linear-gradient(135deg, #2100a3, #8E00A3);