Steel Blue
#42819E
BlueColor Codes
All color formats for development
HEX
#42819ERGB
rgb(66, 129, 158)HSL
hsl(199, 41%, 44%)OKLCH
oklch(0.573 0.079 230.1)CMYK
cmyk(58%, 18%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#3C748E
2#35677F
3#2E5A6F
4#284D5F
5#21414F
6#1A343F
7#14272F
8#0D1A20
9#070D10
Tints
Lighter variations
1#4B91B2
2#5E9EBC
3#72AAC4
4#86B6CC
5#9AC2D5
6#AECEDD
7#C3DBE6
8#D7E7EE
9#EBF3F7
Tones
Muted variations
1#477F9A
2#4B7E95
3#507C90
4#557A8C
5#597987
6#5E7783
7#62757E
8#677479
9#6C7275
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F9 #F4F9FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E6F0 #E6F0F4 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D0E3 #D0E3EB | Secondary backgroundsInput backgroundsDividers |
| 300 | ACCD #ACCDDC | BordersInactive statesPlaceholder text |
| 400 | 81B3 #81B3CA | Disabled statesSecondary iconsMuted text |
| 500 | 5D9E #5D9EBB | Primary brand colorCTAsActive elementsLinks |
| 600 | 4281 #42819E | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3567 #35677E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2649 #26495A | Text on light backgroundsHeadingsStrong borders |
| 900 | 182F #182F3A | Primary textHigh emphasis contentDark headings |
| 950 | 0F1D #0F1D24 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F4F9FA;
--steel-blue-100: #E6F0F4;
--steel-blue-200: #D0E3EB;
--steel-blue-300: #ACCDDC;
--steel-blue-400: #81B3CA;
--steel-blue-500: #5D9EBB;
--steel-blue-600: #42819E;
--steel-blue-700: #35677E;
--steel-blue-800: #26495A;
--steel-blue-900: #182F3A;
--steel-blue-950: #0F1D24;
}