Steel Blue
#399CA7
CyanColor Codes
All color formats for development
HEX
#399CA7RGB
rgb(57, 156, 167)HSL
hsl(186, 49%, 44%)OKLCH
oklch(0.64 0.091 205.5)CMYK
cmyk(66%, 7%, 0%, 35%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#338D96
2#2E7D86
3#286D75
4#225E64
5#1D4E54
6#173E43
7#112F32
8#0B1F21
9#061011
Tints
Lighter variations
1#41B0BC
2#55BAC5
3#6AC2CC
4#7FCBD3
5#95D4DB
6#AADCE2
7#BFE5E9
8#D4EEF0
9#EAF6F8
Tones
Muted variations
1#3F98A2
2#44939C
3#4A8F97
4#4F8B91
5#55868C
6#5A8286
7#607D81
8#65797B
9#6B7576
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4FA #F4FAFB | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E4F4 #E4F4F6 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CEEB #CEEBEE | Secondary backgroundsInput backgroundsDividers |
| 300 | A8DB #A8DBE1 | BordersInactive statesPlaceholder text |
| 400 | 7AC9 #7AC9D1 | Disabled statesSecondary iconsMuted text |
| 500 | 54B9 #54B9C4 | Primary brand colorCTAsActive elementsLinks |
| 600 | 399C #399CA7 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2E7C #2E7C85 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2159 #21595F | Text on light backgroundsHeadingsStrong borders |
| 900 | 1539 #15393D | Primary textHigh emphasis contentDark headings |
| 950 | 0D23 #0D2326 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F4FAFB;
--steel-blue-100: #E4F4F6;
--steel-blue-200: #CEEBEE;
--steel-blue-300: #A8DBE1;
--steel-blue-400: #7AC9D1;
--steel-blue-500: #54B9C4;
--steel-blue-600: #399CA7;
--steel-blue-700: #2E7C85;
--steel-blue-800: #21595F;
--steel-blue-900: #15393D;
--steel-blue-950: #0D2326;
}