#2103df
a dark, electric blue · warm · closest name: blue
RGB
33, 3, 223
HSL
248°, 97%, 44%
CMYK
85, 99, 0, 13
Luminance
0.0572
Every format
| HEX | #2103df |
| RGB | rgb(33, 3, 223) |
| HSL | hsl(248, 97%, 44%) |
| CMYK | cmyk(85%, 99%, 0%, 13%) |
| LAB | lab(28.7 71.3 -95.7) |
| LCH | lch(28.7 119.3 306.7) |
| OKLCH | oklch(0.418 0.277 268.3) |
Copy-ready code
/* CSS */
color: #2103df;
background-color: #2103df;
/* Tailwind (arbitrary) */
class="text-[#2103df] bg-[#2103df]"
/* SCSS */
$brand: #2103df;
/* SwiftUI */
Color(red: 0.129, green: 0.012, blue: 0.875)
/* Android */
Color.parseColor("#2103df")Accessibility — WCAG contrast
Aa
#2103df on white: 9.80:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2103df on black: 2.14:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green1.2%
Blue87.5%
CMYK percentages
Cyan85.2%
Magenta98.7%
Yellow0.0%
Key (black)12.5%
Color previews
#2103df text on a black background
contrast 2.14:1
Card sample
#2103df text on a white background
contrast 9.80:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2103df;
Background color
Panel with #2103df background
background-color: #2103df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2103df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 3, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 3, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2103df; background: linear-gradient(135deg, #2103df, #B403DF);