#100439
a deep, electric blue · warm · closest name: midnightblue
RGB
16, 4, 57
HSL
254°, 87%, 12%
CMYK
72, 93, 0, 78
Luminance
0.0049
Every format
| HEX | #100439 |
| RGB | rgb(16, 4, 57) |
| HSL | hsl(254, 87%, 12%) |
| CMYK | cmyk(72%, 93%, 0%, 78%) |
| LAB | lab(4.5 21.3 -30.7) |
| LCH | lch(4.5 37.4 304.7) |
| OKLCH | oklch(0.181 0.095 283.0) |
Copy-ready code
/* CSS */
color: #100439;
background-color: #100439;
/* Tailwind (arbitrary) */
class="text-[#100439] bg-[#100439]"
/* SCSS */
$brand: #100439;
/* SwiftUI */
Color(red: 0.063, green: 0.016, blue: 0.224)
/* Android */
Color.parseColor("#100439")Accessibility — WCAG contrast
Aa
#100439 on white: 19.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#100439 on black: 1.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.3%
Green1.6%
Blue22.4%
CMYK percentages
Cyan71.9%
Magenta93.0%
Yellow0.0%
Key (black)77.6%
Color previews
#100439 text on a black background
contrast 1.10:1
Card sample
#100439 text on a white background
contrast 19.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #100439;
Background color
Panel with #100439 background
background-color: #100439;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #100439;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(16, 4, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(16, 4, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #100439; background: linear-gradient(135deg, #100439, #340439);