Steel Blue
#42879E
BlueColor Codes
All color formats for development
HEX
#42879ERGB
rgb(66, 135, 158)HSL
hsl(195, 41%, 44%)OKLCH
oklch(0.588 0.078 222.4)CMYK
cmyk(58%, 15%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#3C7A8E
2#356C7F
3#2E5F6F
4#28515F
5#21444F
6#1A363F
7#14292F
8#0D1B20
9#070E10
Tints
Lighter variations
1#4B98B2
2#5EA4BC
3#72B0C4
4#86BBCC
5#9AC6D5
6#AED2DD
7#C3DDE6
8#D7E8EE
9#EBF4F7
Tones
Muted variations
1#47859A
2#4B8395
3#508090
4#557E8C
5#597C87
6#5E7983
7#62777E
8#677579
9#6C7375
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F9 #F4F9FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E6F1 #E6F1F4 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D0E5 #D0E5EB | Secondary backgroundsInput backgroundsDividers |
| 300 | ACD0 #ACD0DC | BordersInactive statesPlaceholder text |
| 400 | 81B8 #81B8CA | Disabled statesSecondary iconsMuted text |
| 500 | 5DA4 #5DA4BB | Primary brand colorCTAsActive elementsLinks |
| 600 | 4287 #42879E | Hover statesFocus ringsPrimary buttons hover |
| 700 | 356C #356C7E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 264D #264D5A | Text on light backgroundsHeadingsStrong borders |
| 900 | 1831 #18313A | Primary textHigh emphasis contentDark headings |
| 950 | 0F1F #0F1F24 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F4F9FA;
--steel-blue-100: #E6F1F4;
--steel-blue-200: #D0E5EB;
--steel-blue-300: #ACD0DC;
--steel-blue-400: #81B8CA;
--steel-blue-500: #5DA4BB;
--steel-blue-600: #42879E;
--steel-blue-700: #356C7E;
--steel-blue-800: #264D5A;
--steel-blue-900: #18313A;
--steel-blue-950: #0F1F24;
}