#28107c
a dark, electric blue · warm · closest name: indigo
RGB
40, 16, 124
HSL
253°, 77%, 28%
CMYK
68, 87, 0, 51
Luminance
0.0228
Every format
| HEX | #28107c |
| RGB | rgb(40, 16, 124) |
| HSL | hsl(253, 77%, 28%) |
| CMYK | cmyk(68%, 87%, 0%, 51%) |
| LAB | lab(16.9 41.8 -55.6) |
| LCH | lch(16.9 69.5 306.9) |
| OKLCH | oklch(0.302 0.163 280.6) |
Copy-ready code
/* CSS */
color: #28107c;
background-color: #28107c;
/* Tailwind (arbitrary) */
class="text-[#28107c] bg-[#28107c]"
/* SCSS */
$brand: #28107c;
/* SwiftUI */
Color(red: 0.157, green: 0.063, blue: 0.486)
/* Android */
Color.parseColor("#28107c")Accessibility — WCAG contrast
Aa
#28107c on white: 14.43:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#28107c on black: 1.46:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green6.3%
Blue48.6%
CMYK percentages
Cyan67.7%
Magenta87.1%
Yellow0.0%
Key (black)51.4%
Color previews
#28107c text on a black background
contrast 1.46:1
Card sample
#28107c text on a white background
contrast 14.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #28107c;
Background color
Panel with #28107c background
background-color: #28107c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #28107c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 16, 124, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 16, 124, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28107c; background: linear-gradient(135deg, #28107c, #70107C);