Steel Blue
#428F9E
CyanColor Codes
All color formats for development
HEX
#428F9ERGB
rgb(66, 143, 158)HSL
hsl(190, 41%, 44%)OKLCH
oklch(0.608 0.079 212.2)CMYK
cmyk(58%, 9%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#3C818E
2#35727F
3#2E646F
4#28565F
5#21474F
6#1A393F
7#142B2F
8#0D1D20
9#070E10
Tints
Lighter variations
1#4BA1B2
2#5EACBC
3#72B6C4
4#86C1CC
5#9ACBD5
6#AED5DD
7#C3E0E6
8#D7EAEE
9#EBF5F7
Tones
Muted variations
1#478C9A
2#4B8995
3#508690
4#55838C
5#598087
6#5E7C83
7#62797E
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 | D0E7 #D0E7EB | Secondary backgroundsInput backgroundsDividers |
| 300 | ACD4 #ACD4DC | BordersInactive statesPlaceholder text |
| 400 | 81BE #81BECA | Disabled statesSecondary iconsMuted text |
| 500 | 5DAC #5DACBB | Primary brand colorCTAsActive elementsLinks |
| 600 | 428F #428F9E | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3572 #35727E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2651 #26515A | Text on light backgroundsHeadingsStrong borders |
| 900 | 1834 #18343A | 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: #D0E7EB;
--steel-blue-300: #ACD4DC;
--steel-blue-400: #81BECA;
--steel-blue-500: #5DACBB;
--steel-blue-600: #428F9E;
--steel-blue-700: #35727E;
--steel-blue-800: #26515A;
--steel-blue-900: #18343A;
--steel-blue-950: #0F2024;
}