Steel Blue
#3D99A4
CyanColor Codes
All color formats for development
HEX
#3D99A4RGB
rgb(61, 153, 164)HSL
hsl(186, 46%, 44%)OKLCH
oklch(0.633 0.087 206.1)CMYK
cmyk(63%, 7%, 0%, 36%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#378A93
2#307B83
3#2A6B73
4#245C62
5#1E4D52
6#183D42
7#122E31
8#0C1F21
9#060F10
Tints
Lighter variations
1#44ADB9
2#58B7C1
3#6DC0C9
4#82C9D1
5#97D2D8
6#ACDBE0
7#C0E4E8
8#D5EDF0
9#EAF6F7
Tones
Muted variations
1#42959F
2#479199
3#4C8D94
4#51898F
5#56858A
6#5C8185
7#617D80
8#66787B
9#6B7475
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4FA #F4FAFB | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E5F4 #E5F4F5 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CFEA #CFEAED | Secondary backgroundsInput backgroundsDividers |
| 300 | A9DA #A9DADF | BordersInactive statesPlaceholder text |
| 400 | 7DC7 #7DC7CF | Disabled statesSecondary iconsMuted text |
| 500 | 57B6 #57B6C1 | Primary brand colorCTAsActive elementsLinks |
| 600 | 3D99 #3D99A4 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 307A #307A82 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2257 #22575D | Text on light backgroundsHeadingsStrong borders |
| 900 | 1638 #16383C | Primary textHigh emphasis contentDark headings |
| 950 | 0E23 #0E2325 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F4FAFB;
--steel-blue-100: #E5F4F5;
--steel-blue-200: #CFEAED;
--steel-blue-300: #A9DADF;
--steel-blue-400: #7DC7CF;
--steel-blue-500: #57B6C1;
--steel-blue-600: #3D99A4;
--steel-blue-700: #307A82;
--steel-blue-800: #22575D;
--steel-blue-900: #16383C;
--steel-blue-950: #0E2325;
}