#2121df
a balanced, vivid blue · warm · closest name: blue
RGB
33, 33, 223
HSL
240°, 75%, 50%
CMYK
85, 85, 0, 13
Luminance
0.0674
Every format
| HEX | #2121df |
| RGB | rgb(33, 33, 223) |
| HSL | hsl(240, 75%, 50%) |
| CMYK | cmyk(85%, 85%, 0%, 13%) |
| LAB | lab(31.2 63.6 -91.5) |
| LCH | lch(31.2 111.5 304.8) |
| OKLCH | oklch(0.435 0.265 268.0) |
Copy-ready code
/* CSS */
color: #2121df;
background-color: #2121df;
/* Tailwind (arbitrary) */
class="text-[#2121df] bg-[#2121df]"
/* SCSS */
$brand: #2121df;
/* SwiftUI */
Color(red: 0.129, green: 0.129, blue: 0.875)
/* Android */
Color.parseColor("#2121df")Accessibility — WCAG contrast
Aa
#2121df on white: 8.94:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2121df on black: 2.35:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green12.9%
Blue87.5%
CMYK percentages
Cyan85.2%
Magenta85.2%
Yellow0.0%
Key (black)12.5%
Color previews
#2121df text on a black background
contrast 2.35:1
Card sample
#2121df text on a white background
contrast 8.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2121df;
Background color
Panel with #2121df background
background-color: #2121df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2121df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 33, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 33, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2121df; background: linear-gradient(135deg, #2121df, #A021DF);