Steel Blue
#428C9E
CyanColor Codes
All color formats for development
HEX
#428C9ERGB
rgb(66, 140, 158)HSL
hsl(192, 41%, 44%)OKLCH
oklch(0.6 0.078 216)CMYK
cmyk(58%, 11%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#3C7E8E
2#35707F
3#2E626F
4#28545F
5#21464F
6#1A383F
7#142A2F
8#0D1C20
9#070E10
Tints
Lighter variations
1#4B9EB2
2#5EA9BC
3#72B4C4
4#86BECC
5#9AC9D5
6#AED4DD
7#C3DFE6
8#D7E9EE
9#EBF4F7
Tones
Muted variations
1#47899A
2#4B8695
3#508490
4#55818C
5#597E87
6#5E7B83
7#62787E
8#677679
9#6C7375
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F9 #F4F9FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E6F2 #E6F2F4 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D0E6 #D0E6EB | Secondary backgroundsInput backgroundsDividers |
| 300 | ACD3 #ACD3DC | BordersInactive statesPlaceholder text |
| 400 | 81BC #81BCCA | Disabled statesSecondary iconsMuted text |
| 500 | 5DA8 #5DA8BB | Primary brand colorCTAsActive elementsLinks |
| 600 | 428C #428C9E | Hover statesFocus ringsPrimary buttons hover |
| 700 | 356F #356F7E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 264F #264F5A | Text on light backgroundsHeadingsStrong borders |
| 900 | 1833 #18333A | Primary textHigh emphasis contentDark headings |
| 950 | 0F20 #0F2024 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F4F9FA;
--steel-blue-100: #E6F2F4;
--steel-blue-200: #D0E6EB;
--steel-blue-300: #ACD3DC;
--steel-blue-400: #81BCCA;
--steel-blue-500: #5DA8BB;
--steel-blue-600: #428C9E;
--steel-blue-700: #356F7E;
--steel-blue-800: #264F5A;
--steel-blue-900: #18333A;
--steel-blue-950: #0F2024;
}