Steel Blue
#3F51A2
BlueColor Codes
All color formats for development
HEX
#3F51A2RGB
rgb(63, 81, 162)HSL
hsl(229, 44%, 44%)OKLCH
oklch(0.464 0.132 271)CMYK
cmyk(61%, 50%, 0%, 36%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#394991
2#324181
3#2C3971
4#263161
5#1F2851
6#192041
7#131830
8#0D1020
9#060810
Tints
Lighter variations
1#475BB6
2#5A6DBF
3#6F7FC7
4#8491CF
5#98A4D7
6#ADB6DF
7#C1C8E7
8#D6DAEF
9#EAEDF7
Tones
Muted variations
1#44549D
2#495798
3#4E5A93
4#535D8E
5#586189
6#5C6484
7#61677F
8#666A7A
9#6B6D75
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F5 #F4F5FB | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E5E8 #E5E8F5 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CFD5 #CFD5EC | Secondary backgroundsInput backgroundsDividers |
| 300 | ABB4 #ABB4DE | BordersInactive statesPlaceholder text |
| 400 | 7E8D #7E8DCD | Disabled statesSecondary iconsMuted text |
| 500 | 5A6C #5A6CBF | Primary brand colorCTAsActive elementsLinks |
| 600 | 3F51 #3F51A2 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3240 #324081 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 242E #242E5C | Text on light backgroundsHeadingsStrong borders |
| 900 | 171D #171D3B | Primary textHigh emphasis contentDark headings |
| 950 | 0E12 #0E1225 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F4F5FB;
--steel-blue-100: #E5E8F5;
--steel-blue-200: #CFD5EC;
--steel-blue-300: #ABB4DE;
--steel-blue-400: #7E8DCD;
--steel-blue-500: #5A6CBF;
--steel-blue-600: #3F51A2;
--steel-blue-700: #324081;
--steel-blue-800: #242E5C;
--steel-blue-900: #171D3B;
--steel-blue-950: #0E1225;
}