Royal Blue
#3F51D9
BlueColor Codes
All color formats for development
HEX
#3F51D9RGB
rgb(63, 81, 217)HSL
hsl(233, 67%, 55%)OKLCH
oklch(0.508 0.207 271.1)CMYK
cmyk(71%, 63%, 0%, 15%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2A3DD3
2#2537BB
3#2030A4
4#1C298D
5#172275
6#131B5E
7#0E1446
8#090E2F
9#050717
Tints
Lighter variations
1#5363DD
2#6674E1
3#7985E4
4#8C97E8
5#9FA8EC
6#B2BAF0
7#C6CBF4
8#D9DCF7
9#ECEEFB
Tones
Muted variations
1#4757D1
2#4F5DCA
3#5663C2
4#5E69BA
5#666FB3
6#6D75AB
7#757BA3
8#7D809C
9#858694
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F3 #F2F3FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1E4 #E1E4F9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C8CD #C8CDF4 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9DA6 #9DA6EC | BordersInactive statesPlaceholder text |
| 400 | 6A78 #6A78E2 | Disabled statesSecondary iconsMuted text |
| 500 | 3F51 #3F51D9 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2537 #2537BB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1D2B #1D2B95 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 151F #151F6A | Text on light backgroundsHeadingsStrong borders |
| 900 | 0D14 #0D1444 | Primary textHigh emphasis contentDark headings |
| 950 | 080C #080C2B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--royal-blue-50: #F2F3FC;
--royal-blue-100: #E1E4F9;
--royal-blue-200: #C8CDF4;
--royal-blue-300: #9DA6EC;
--royal-blue-400: #6A78E2;
--royal-blue-500: #3F51D9;
--royal-blue-600: #2537BB;
--royal-blue-700: #1D2B95;
--royal-blue-800: #151F6A;
--royal-blue-900: #0D1444;
--royal-blue-950: #080C2B;
}