Steel Blue
#3666AB
BlueColor Codes
All color formats for development
HEX
#3666ABRGB
rgb(54, 102, 171)HSL
hsl(215, 52%, 44%)OKLCH
oklch(0.511 0.122 257.7)CMYK
cmyk(68%, 40%, 0%, 33%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#305C99
2#2B5288
3#264877
4#203D66
5#1B3355
6#162944
7#101F33
8#0B1422
9#050A11
Tints
Lighter variations
1#3D74C0
2#5183C8
3#6792CF
4#7DA2D6
5#92B1DD
6#A8C1E4
7#BED0EA
8#D4E0F1
9#E9EFF8
Tones
Muted variations
1#3C67A5
2#42689F
3#476999
4#4D6A93
5#536B8D
6#596C88
7#5F6D82
8#656E7C
9#6A6F76
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F7 #F3F7FB | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E4EC #E4ECF6 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CDDB #CDDBEF | Secondary backgroundsInput backgroundsDividers |
| 300 | A6BF #A6BFE3 | BordersInactive statesPlaceholder text |
| 400 | 779E #779ED4 | Disabled statesSecondary iconsMuted text |
| 500 | 5182 #5182C8 | Primary brand colorCTAsActive elementsLinks |
| 600 | 3666 #3666AB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2B52 #2B5288 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1F3A #1F3A61 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1425 #14253E | Primary textHigh emphasis contentDark headings |
| 950 | 0C17 #0C1727 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F3F7FB;
--steel-blue-100: #E4ECF6;
--steel-blue-200: #CDDBEF;
--steel-blue-300: #A6BFE3;
--steel-blue-400: #779ED4;
--steel-blue-500: #5182C8;
--steel-blue-600: #3666AB;
--steel-blue-700: #2B5288;
--steel-blue-800: #1F3A61;
--steel-blue-900: #14253E;
--steel-blue-950: #0C1727;
}