#0f172e
a deep, vivid blue · cool · closest name: black
RGB
15, 23, 46
HSL
225°, 51%, 12%
CMYK
67, 50, 0, 82
Luminance
0.0091
Every format
| HEX | #0f172e |
| RGB | rgb(15, 23, 46) |
| HSL | hsl(225, 51%, 12%) |
| CMYK | cmyk(67%, 50%, 0%, 82%) |
| LAB | lab(8.2 5.0 -16.6) |
| LCH | lch(8.2 17.3 286.7) |
| OKLCH | oklch(0.211 0.047 267.8) |
Copy-ready code
/* CSS */
color: #0f172e;
background-color: #0f172e;
/* Tailwind (arbitrary) */
class="text-[#0f172e] bg-[#0f172e]"
/* SCSS */
$brand: #0f172e;
/* SwiftUI */
Color(red: 0.059, green: 0.090, blue: 0.180)
/* Android */
Color.parseColor("#0f172e")Accessibility — WCAG contrast
Aa
#0f172e on white: 17.76:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0f172e on black: 1.18:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red5.9%
Green9.0%
Blue18.0%
CMYK percentages
Cyan67.4%
Magenta50.0%
Yellow0.0%
Key (black)82.0%
Color previews
#0f172e text on a black background
contrast 1.18:1
Card sample
#0f172e text on a white background
contrast 17.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0f172e;
Background color
Panel with #0f172e background
background-color: #0f172e;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0f172e;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(15, 23, 46, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(15, 23, 46, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0f172e; background: linear-gradient(135deg, #0f172e, #1C0F2E);