#10233f
a deep, vivid blue · cool · closest name: black
RGB
16, 35, 63
HSL
216°, 60%, 16%
CMYK
75, 44, 0, 75
Luminance
0.0167
Every format
| HEX | #10233f |
| RGB | rgb(16, 35, 63) |
| HSL | hsl(216, 60%, 16%) |
| CMYK | cmyk(75%, 44%, 0%, 75%) |
| LAB | lab(13.7 3.2 -20.2) |
| LCH | lch(13.7 20.4 279.1) |
| OKLCH | oklch(0.257 0.059 258.0) |
Copy-ready code
/* CSS */
color: #10233f;
background-color: #10233f;
/* Tailwind (arbitrary) */
class="text-[#10233f] bg-[#10233f]"
/* SCSS */
$brand: #10233f;
/* SwiftUI */
Color(red: 0.063, green: 0.137, blue: 0.247)
/* Android */
Color.parseColor("#10233f")Accessibility — WCAG contrast
Aa
#10233f on white: 15.74:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#10233f on black: 1.33:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.3%
Green13.7%
Blue24.7%
CMYK percentages
Cyan74.6%
Magenta44.4%
Yellow0.0%
Key (black)75.3%
Color previews
#10233f text on a black background
contrast 1.33:1
Card sample
#10233f text on a white background
contrast 15.74:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #10233f;
Background color
Panel with #10233f background
background-color: #10233f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #10233f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(16, 35, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(16, 35, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #10233f; background: linear-gradient(135deg, #10233f, #1C103F);