#00123a
a deep, electric blue · cool · closest name: black
RGB
0, 18, 58
HSL
221°, 100%, 11%
CMYK
100, 69, 0, 77
Luminance
0.0074
Every format
| HEX | #00123a |
| RGB | rgb(0, 18, 58) |
| HSL | hsl(221, 100%, 11%) |
| CMYK | cmyk(100%, 69%, 0%, 77%) |
| LAB | lab(6.7 11.1 -27.9) |
| LCH | lch(6.7 30.1 291.7) |
| OKLCH | oklch(0.199 0.083 260.3) |
Copy-ready code
/* CSS */
color: #00123a;
background-color: #00123a;
/* Tailwind (arbitrary) */
class="text-[#00123a] bg-[#00123a]"
/* SCSS */
$brand: #00123a;
/* SwiftUI */
Color(red: 0.000, green: 0.071, blue: 0.227)
/* Android */
Color.parseColor("#00123a")Accessibility — WCAG contrast
Aa
#00123a on white: 18.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#00123a on black: 1.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green7.1%
Blue22.7%
CMYK percentages
Cyan100.0%
Magenta69.0%
Yellow0.0%
Key (black)77.3%
Color previews
#00123a text on a black background
contrast 1.15:1
Card sample
#00123a text on a white background
contrast 18.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00123a;
Background color
Panel with #00123a background
background-color: #00123a;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00123a;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 18, 58, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 18, 58, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00123a; background: linear-gradient(135deg, #00123a, #15003A);