Steel Blue
#42729E
BlueColor Codes
All color formats for development
HEX
#42729ERGB
rgb(66, 114, 158)HSL
hsl(209, 41%, 44%)OKLCH
oklch(0.537 0.087 247.8)CMYK
cmyk(58%, 28%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#3C668E
2#355B7F
3#2E506F
4#28445F
5#21394F
6#1A2D3F
7#14222F
8#0D1720
9#070B10
Tints
Lighter variations
1#4B80B2
2#5E8EBC
3#729CC4
4#86AACC
5#9AB9D5
6#AEC7DD
7#C3D5E6
8#D7E3EE
9#EBF1F7
Tones
Muted variations
1#47729A
2#4B7195
3#507190
4#55718C
5#597187
6#5E7183
7#62717E
8#677179
9#6C7075
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F7 #F4F7FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E6ED #E6EDF4 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D0DE #D0DEEB | Secondary backgroundsInput backgroundsDividers |
| 300 | ACC5 #ACC5DC | BordersInactive statesPlaceholder text |
| 400 | 81A7 #81A7CA | Disabled statesSecondary iconsMuted text |
| 500 | 5D8E #5D8EBB | Primary brand colorCTAsActive elementsLinks |
| 600 | 4272 #42729E | Hover statesFocus ringsPrimary buttons hover |
| 700 | 355A #355A7E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2641 #26415A | Text on light backgroundsHeadingsStrong borders |
| 900 | 1829 #18293A | Primary textHigh emphasis contentDark headings |
| 950 | 0F1A #0F1A24 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F4F7FA;
--steel-blue-100: #E6EDF4;
--steel-blue-200: #D0DEEB;
--steel-blue-300: #ACC5DC;
--steel-blue-400: #81A7CA;
--steel-blue-500: #5D8EBB;
--steel-blue-600: #42729E;
--steel-blue-700: #355A7E;
--steel-blue-800: #26415A;
--steel-blue-900: #18293A;
--steel-blue-950: #0F1A24;
}