#2a55ff
a balanced, electric blue · warm · closest name: royalblue
RGB
42, 85, 255
HSL
228°, 100%, 58%
CMYK
84, 67, 0, 0
Luminance
0.1421
Every format
| HEX | #2a55ff |
| RGB | rgb(42, 85, 255) |
| HSL | hsl(228, 100%, 58%) |
| CMYK | cmyk(84%, 67%, 0%, 0%) |
| LAB | lab(44.5 47.2 -87.5) |
| LCH | lch(44.5 99.5 298.4) |
| OKLCH | oklch(0.540 0.254 266.1) |
Copy-ready code
/* CSS */
color: #2a55ff;
background-color: #2a55ff;
/* Tailwind (arbitrary) */
class="text-[#2a55ff] bg-[#2a55ff]"
/* SCSS */
$brand: #2a55ff;
/* SwiftUI */
Color(red: 0.165, green: 0.333, blue: 1.000)
/* Android */
Color.parseColor("#2a55ff")Accessibility — WCAG contrast
Aa
#2a55ff on white: 5.47:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#2a55ff on black: 3.84:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red16.5%
Green33.3%
Blue100.0%
CMYK percentages
Cyan83.5%
Magenta66.7%
Yellow0.0%
Key (black)0.0%
Color previews
#2a55ff text on a black background
contrast 3.84:1
Card sample
#2a55ff text on a white background
contrast 5.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2a55ff;
Background color
Panel with #2a55ff background
background-color: #2a55ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2a55ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(42, 85, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(42, 85, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2a55ff; background: linear-gradient(135deg, #2a55ff, #8D2AFF);