Steel Blue
#3F91D9
BlueColor Codes
All color formats for development
HEX
#3F91D9RGB
rgb(63, 145, 217)HSL
hsl(208, 67%, 55%)OKLCH
oklch(0.639 0.134 248.2)CMYK
cmyk(71%, 33%, 0%, 15%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2A84D3
2#2575BB
3#2067A4
4#1C588D
5#174975
6#133B5E
7#0E2C46
8#091D2F
9#050F17
Tints
Lighter variations
1#539CDD
2#66A7E1
3#79B2E4
4#8CBDE8
5#9FC8EC
6#B2D3F0
7#C6DEF4
8#D9E9F7
9#ECF4FB
Tones
Muted variations
1#4791D1
2#4F90CA
3#5690C2
4#5E8FBA
5#668FB3
6#6D8EAB
7#758EA3
8#7D8D9C
9#858D94
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F8 #F2F8FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1EE #E1EEF9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C8DF #C8DFF4 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9DC7 #9DC7EC | BordersInactive statesPlaceholder text |
| 400 | 6AAA #6AAAE2 | Disabled statesSecondary iconsMuted text |
| 500 | 3F91 #3F91D9 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2575 #2575BB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1D5D #1D5D95 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1543 #15436A | Text on light backgroundsHeadingsStrong borders |
| 900 | 0D2B #0D2B44 | Primary textHigh emphasis contentDark headings |
| 950 | 081B #081B2B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F2F8FC;
--steel-blue-100: #E1EEF9;
--steel-blue-200: #C8DFF4;
--steel-blue-300: #9DC7EC;
--steel-blue-400: #6AAAE2;
--steel-blue-500: #3F91D9;
--steel-blue-600: #2575BB;
--steel-blue-700: #1D5D95;
--steel-blue-800: #15436A;
--steel-blue-900: #0D2B44;
--steel-blue-950: #081B2B;
}