Royal Blue
#3F66D9
BlueColor Codes
All color formats for development
HEX
#3F66D9RGB
rgb(63, 102, 217)HSL
hsl(225, 67%, 55%)OKLCH
oklch(0.547 0.182 266.3)CMYK
cmyk(71%, 53%, 0%, 15%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2A54D3
2#254BBB
3#2041A4
4#1C388D
5#172F75
6#13255E
7#0E1C46
8#09132F
9#050917
Tints
Lighter variations
1#5375DD
2#6684E1
3#7994E4
4#8CA3E8
5#9FB2EC
6#B2C2F0
7#C6D1F4
8#D9E0F7
9#ECF0FB
Tones
Muted variations
1#476AD1
2#4F6DCA
3#5671C2
4#5E75BA
5#6679B3
6#6D7DAB
7#7581A3
8#7D859C
9#858894
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1E7 #E1E7F9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C8D3 #C8D3F4 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9DB1 #9DB1EC | BordersInactive statesPlaceholder text |
| 400 | 6A88 #6A88E2 | Disabled statesSecondary iconsMuted text |
| 500 | 3F66 #3F66D9 | Primary brand colorCTAsActive elementsLinks |
| 600 | 254B #254BBB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1D3B #1D3B95 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 152A #152A6A | Text on light backgroundsHeadingsStrong borders |
| 900 | 0D1B #0D1B44 | Primary textHigh emphasis contentDark headings |
| 950 | 0811 #08112B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--royal-blue-50: #F2F5FC;
--royal-blue-100: #E1E7F9;
--royal-blue-200: #C8D3F4;
--royal-blue-300: #9DB1EC;
--royal-blue-400: #6A88E2;
--royal-blue-500: #3F66D9;
--royal-blue-600: #254BBB;
--royal-blue-700: #1D3B95;
--royal-blue-800: #152A6A;
--royal-blue-900: #0D1B44;
--royal-blue-950: #08112B;
}