Steel Blue
#428FD7
BlueColor Codes
All color formats for development
HEX
#428FD7RGB
rgb(66, 143, 215)HSL
hsl(209, 65%, 55%)OKLCH
oklch(0.635 0.133 249.4)CMYK
cmyk(69%, 33%, 0%, 16%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2C81D0
2#2773B9
3#2264A2
4#1D568B
5#194874
6#14395D
7#0F2B45
8#0A1D2E
9#050E17
Tints
Lighter variations
1#559ADB
2#68A5DF
3#7AB0E3
4#8DBCE7
5#A0C7EB
6#B3D2EF
7#C6DDF3
8#D9E9F7
9#ECF4FB
Tones
Muted variations
1#498ECF
2#518EC8
3#588EC0
4#5F8EB9
5#678DB2
6#6E8DAA
7#768DA3
8#7D8D9B
9#858C94
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F8 #F2F8FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E2EE #E2EEF9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C8DF #C8DFF3 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9EC6 #9EC6EA | BordersInactive statesPlaceholder text |
| 400 | 6CA8 #6CA8E0 | Disabled statesSecondary iconsMuted text |
| 500 | 428F #428FD7 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2773 #2773B9 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1F5B #1F5B93 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1641 #164169 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0E2A #0E2A43 | Primary textHigh emphasis contentDark headings |
| 950 | 091A #091A2A | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F2F8FC;
--steel-blue-100: #E2EEF9;
--steel-blue-200: #C8DFF3;
--steel-blue-300: #9EC6EA;
--steel-blue-400: #6CA8E0;
--steel-blue-500: #428FD7;
--steel-blue-600: #2773B9;
--steel-blue-700: #1F5B93;
--steel-blue-800: #164169;
--steel-blue-900: #0E2A43;
--steel-blue-950: #091A2A;
}