Steel Blue
#3999A7
CyanColor Codes
All color formats for development
HEX
#3999A7RGB
rgb(57, 153, 167)HSL
hsl(188, 49%, 44%)OKLCH
oklch(0.633 0.09 208.7)CMYK
cmyk(66%, 8%, 0%, 35%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#338996
2#2E7A86
3#286B75
4#225C64
5#1D4C54
6#173D43
7#112E32
8#0B1F21
9#060F11
Tints
Lighter variations
1#41ACBC
2#55B6C5
3#6ABFCC
4#7FC8D3
5#95D1DB
6#AADAE2
7#BFE4E9
8#D4EDF0
9#EAF6F8
Tones
Muted variations
1#3F94A2
2#44909C
3#4A8C97
4#4F8891
5#55848C
6#5A8086
7#607C81
8#65787B
9#6B7476
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 | CEEA #CEEAEE | Secondary backgroundsInput backgroundsDividers |
| 300 | A8D9 #A8D9E1 | BordersInactive statesPlaceholder text |
| 400 | 7AC6 #7AC6D1 | Disabled statesSecondary iconsMuted text |
| 500 | 54B5 #54B5C4 | Primary brand colorCTAsActive elementsLinks |
| 600 | 3999 #3999A7 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2E79 #2E7985 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2157 #21575F | Text on light backgroundsHeadingsStrong borders |
| 900 | 1537 #15373D | 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: #CEEAEE;
--steel-blue-300: #A8D9E1;
--steel-blue-400: #7AC6D1;
--steel-blue-500: #54B5C4;
--steel-blue-600: #3999A7;
--steel-blue-700: #2E7985;
--steel-blue-800: #21575F;
--steel-blue-900: #15373D;
--steel-blue-950: #0D2326;
}