Steel Blue
#309FB0
CyanColor Codes
All color formats for development
HEX
#309FB0RGB
rgb(48, 159, 176)HSL
hsl(188, 57%, 44%)OKLCH
oklch(0.649 0.099 209.9)CMYK
cmyk(73%, 10%, 0%, 31%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2B8F9F
2#277F8D
3#226F7B
4#1D5F6A
5#185058
6#134046
7#0E3035
8#0A2023
9#051012
Tints
Lighter variations
1#36B3C7
2#4CBDCE
3#62C5D4
4#78CDDA
5#8FD5E0
6#A5DEE6
7#BCE6ED
8#D2EEF3
9#E9F7F9
Tones
Muted variations
1#379AAA
2#3D96A3
3#43919D
4#4A8C97
5#508890
6#57838A
7#5D7E83
8#637A7D
9#6A7577
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3FB #F3FBFC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3F5 #E3F5F7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CBEC #CBECF1 | Secondary backgroundsInput backgroundsDividers |
| 300 | A3DD #A3DDE6 | BordersInactive statesPlaceholder text |
| 400 | 73CB #73CBD9 | Disabled statesSecondary iconsMuted text |
| 500 | 4BBC #4BBCCE | Primary brand colorCTAsActive elementsLinks |
| 600 | 309F #309FB0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 267F #267F8C | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1B5A #1B5A64 | Text on light backgroundsHeadingsStrong borders |
| 900 | 123A #123A40 | Primary textHigh emphasis contentDark headings |
| 950 | 0B24 #0B2428 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F3FBFC;
--steel-blue-100: #E3F5F7;
--steel-blue-200: #CBECF1;
--steel-blue-300: #A3DDE6;
--steel-blue-400: #73CBD9;
--steel-blue-500: #4BBCCE;
--steel-blue-600: #309FB0;
--steel-blue-700: #267F8C;
--steel-blue-800: #1B5A64;
--steel-blue-900: #123A40;
--steel-blue-950: #0B2428;
}