#2155df
a balanced, vivid blue · cool · closest name: royalblue
RGB
33, 85, 223
HSL
224°, 75%, 50%
CMYK
85, 62, 0, 13
Luminance
0.1215
Every format
| HEX | #2155df |
| RGB | rgb(33, 85, 223) |
| HSL | hsl(224, 75%, 50%) |
| CMYK | cmyk(85%, 62%, 0%, 13%) |
| LAB | lab(41.5 35.1 -74.6) |
| LCH | lch(41.5 82.4 295.2) |
| OKLCH | oklch(0.508 0.217 264.1) |
Copy-ready code
/* CSS */
color: #2155df;
background-color: #2155df;
/* Tailwind (arbitrary) */
class="text-[#2155df] bg-[#2155df]"
/* SCSS */
$brand: #2155df;
/* SwiftUI */
Color(red: 0.129, green: 0.333, blue: 0.875)
/* Android */
Color.parseColor("#2155df")Accessibility — WCAG contrast
Aa
#2155df on white: 6.12:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#2155df on black: 3.43:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green33.3%
Blue87.5%
CMYK percentages
Cyan85.2%
Magenta61.9%
Yellow0.0%
Key (black)12.5%
Color previews
#2155df text on a black background
contrast 3.43:1
Card sample
#2155df text on a white background
contrast 6.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2155df;
Background color
Panel with #2155df background
background-color: #2155df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2155df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 85, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 85, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2155df; background: linear-gradient(135deg, #2155df, #6C21DF);