Steel Blue
#3F66A2
BlueColor Codes
All color formats for development
HEX
#3F66A2RGB
rgb(63, 102, 162)HSL
hsl(216, 44%, 44%)OKLCH
oklch(0.51 0.106 258.7)CMYK
cmyk(61%, 37%, 0%, 36%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#395C91
2#325281
3#2C4871
4#263D61
5#1F3351
6#192941
7#131F30
8#0D1420
9#060A10
Tints
Lighter variations
1#4773B6
2#5A83BF
3#6F92C7
4#84A2CF
5#98B1D7
6#ADC1DF
7#C1D0E7
8#D6E0EF
9#EAEFF7
Tones
Muted variations
1#44679D
2#496898
3#4E6993
4#536A8E
5#586B89
6#5C6C84
7#616D7F
8#666E7A
9#6B6F75
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F7 #F4F7FB | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E5EC #E5ECF5 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CFDB #CFDBEC | Secondary backgroundsInput backgroundsDividers |
| 300 | ABBF #ABBFDE | BordersInactive statesPlaceholder text |
| 400 | 7E9E #7E9ECD | Disabled statesSecondary iconsMuted text |
| 500 | 5A82 #5A82BF | Primary brand colorCTAsActive elementsLinks |
| 600 | 3F66 #3F66A2 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3251 #325181 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 243A #243A5C | Text on light backgroundsHeadingsStrong borders |
| 900 | 1725 #17253B | Primary textHigh emphasis contentDark headings |
| 950 | 0E17 #0E1725 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F4F7FB;
--steel-blue-100: #E5ECF5;
--steel-blue-200: #CFDBEC;
--steel-blue-300: #ABBFDE;
--steel-blue-400: #7E9ECD;
--steel-blue-500: #5A82BF;
--steel-blue-600: #3F66A2;
--steel-blue-700: #325181;
--steel-blue-800: #243A5C;
--steel-blue-900: #17253B;
--steel-blue-950: #0E1725;
}