#100b21
a deep, vivid blue · warm · closest name: black
RGB
16, 11, 33
HSL
254°, 50%, 9%
CMYK
52, 67, 0, 87
Luminance
0.0046
Every format
| HEX | #100b21 |
| RGB | rgb(16, 11, 33) |
| HSL | hsl(254, 50%, 9%) |
| CMYK | cmyk(52%, 67%, 0%, 87%) |
| LAB | lab(4.2 7.0 -13.2) |
| LCH | lch(4.2 14.9 298.1) |
| OKLCH | oklch(0.170 0.044 291.4) |
Copy-ready code
/* CSS */
color: #100b21;
background-color: #100b21;
/* Tailwind (arbitrary) */
class="text-[#100b21] bg-[#100b21]"
/* SCSS */
$brand: #100b21;
/* SwiftUI */
Color(red: 0.063, green: 0.043, blue: 0.129)
/* Android */
Color.parseColor("#100b21")Accessibility — WCAG contrast
Aa
#100b21 on white: 19.23:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#100b21 on black: 1.09:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.3%
Green4.3%
Blue12.9%
CMYK percentages
Cyan51.5%
Magenta66.7%
Yellow0.0%
Key (black)87.1%
Color previews
#100b21 text on a black background
contrast 1.09:1
Card sample
#100b21 text on a white background
contrast 19.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #100b21;
Background color
Panel with #100b21 background
background-color: #100b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #100b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(16, 11, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(16, 11, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #100b21; background: linear-gradient(135deg, #100b21, #1F0B21);