#233fdf
a balanced, vivid blue · warm · closest name: slateblue
RGB
35, 63, 223
HSL
231°, 75%, 51%
CMYK
84, 72, 0, 13
Luminance
0.0924
Every format
| HEX | #233fdf |
| RGB | rgb(35, 63, 223) |
| HSL | hsl(231, 75%, 51%) |
| CMYK | cmyk(84%, 72%, 0%, 13%) |
| LAB | lab(36.4 48.8 -82.8) |
| LCH | lch(36.4 96.1 300.5) |
| OKLCH | oklch(0.472 0.240 267.0) |
Copy-ready code
/* CSS */
color: #233fdf;
background-color: #233fdf;
/* Tailwind (arbitrary) */
class="text-[#233fdf] bg-[#233fdf]"
/* SCSS */
$brand: #233fdf;
/* SwiftUI */
Color(red: 0.137, green: 0.247, blue: 0.875)
/* Android */
Color.parseColor("#233fdf")Accessibility — WCAG contrast
Aa
#233fdf on white: 7.37:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#233fdf on black: 2.85:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.7%
Green24.7%
Blue87.5%
CMYK percentages
Cyan84.3%
Magenta71.7%
Yellow0.0%
Key (black)12.5%
Color previews
#233fdf text on a black background
contrast 2.85:1
Card sample
#233fdf text on a white background
contrast 7.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #233fdf;
Background color
Panel with #233fdf background
background-color: #233fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #233fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(35, 63, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 63, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #233fdf; background: linear-gradient(135deg, #233fdf, #8423DF);