Steel Blue
#42739E
BlueColor Codes
All color formats for development
HEX
#42739ERGB
rgb(66, 115, 158)HSL
hsl(208, 41%, 44%)OKLCH
oklch(0.54 0.086 246.7)CMYK
cmyk(58%, 27%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#3C688E
2#355C7F
3#2E516F
4#28455F
5#213A4F
6#1A2E3F
7#14232F
8#0D1720
9#070C10
Tints
Lighter variations
1#4B82B2
2#5E90BC
3#729EC4
4#86ACCC
5#9ABAD5
6#AEC7DD
7#C3D5E6
8#D7E3EE
9#EBF1F7
Tones
Muted variations
1#47739A
2#4B7395
3#507290
4#55728C
5#597287
6#5E7183
7#62717E
8#677179
9#6C7175
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F8 #F4F8FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E6EE #E6EEF4 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D0DF #D0DFEB | Secondary backgroundsInput backgroundsDividers |
| 300 | ACC6 #ACC6DC | BordersInactive statesPlaceholder text |
| 400 | 81A8 #81A8CA | Disabled statesSecondary iconsMuted text |
| 500 | 5D8F #5D8FBB | Primary brand colorCTAsActive elementsLinks |
| 600 | 4273 #42739E | Hover statesFocus ringsPrimary buttons hover |
| 700 | 355C #355C7E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2641 #26415A | Text on light backgroundsHeadingsStrong borders |
| 900 | 182A #182A3A | 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: #F4F8FA;
--steel-blue-100: #E6EEF4;
--steel-blue-200: #D0DFEB;
--steel-blue-300: #ACC6DC;
--steel-blue-400: #81A8CA;
--steel-blue-500: #5D8FBB;
--steel-blue-600: #42739E;
--steel-blue-700: #355C7E;
--steel-blue-800: #26415A;
--steel-blue-900: #182A3A;
--steel-blue-950: #0F1A24;
}