Steel Blue
#42659E
BlueColor Codes
All color formats for development
HEX
#42659ERGB
rgb(66, 101, 158)HSL
hsl(217, 41%, 44%)OKLCH
oklch(0.507 0.1 259.7)CMYK
cmyk(58%, 36%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#3C5B8E
2#35517F
3#2E476F
4#283D5F
5#21334F
6#1A293F
7#141E2F
8#0D1420
9#070A10
Tints
Lighter variations
1#4B72B2
2#5E82BC
3#7291C4
4#86A1CC
5#9AB1D5
6#AEC0DD
7#C3D0E6
8#D7E0EE
9#EBEFF7
Tones
Muted variations
1#47679A
2#4B6895
3#506990
4#556A8C
5#596B87
6#5E6C83
7#626D7E
8#676E79
9#6C6F75
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F7 #F4F7FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E6EB #E6EBF4 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D0DB #D0DBEB | Secondary backgroundsInput backgroundsDividers |
| 300 | ACBF #ACBFDC | BordersInactive statesPlaceholder text |
| 400 | 819D #819DCA | Disabled statesSecondary iconsMuted text |
| 500 | 5D81 #5D81BB | Primary brand colorCTAsActive elementsLinks |
| 600 | 4265 #42659E | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3551 #35517E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 263A #263A5A | Text on light backgroundsHeadingsStrong borders |
| 900 | 1825 #18253A | Primary textHigh emphasis contentDark headings |
| 950 | 0F17 #0F1724 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F4F7FA;
--steel-blue-100: #E6EBF4;
--steel-blue-200: #D0DBEB;
--steel-blue-300: #ACBFDC;
--steel-blue-400: #819DCA;
--steel-blue-500: #5D81BB;
--steel-blue-600: #42659E;
--steel-blue-700: #35517E;
--steel-blue-800: #263A5A;
--steel-blue-900: #18253A;
--steel-blue-950: #0F1724;
}