Steel Blue
#3663AB
BlueColor Codes
All color formats for development
HEX
#3663ABRGB
rgb(54, 99, 171)HSL
hsl(217, 52%, 44%)OKLCH
oklch(0.505 0.125 259.4)CMYK
cmyk(68%, 42%, 0%, 33%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#305999
2#2B4F88
3#264577
4#203B66
5#1B3155
6#162744
7#101E33
8#0B1422
9#050A11
Tints
Lighter variations
1#3D6FC0
2#517FC8
3#678FCF
4#7D9FD6
5#92AFDD
6#A8BFE4
7#BECFEA
8#D4DFF1
9#E9EFF8
Tones
Muted variations
1#3C64A5
2#42659F
3#476799
4#4D6893
5#53698D
6#596B88
7#5F6C82
8#656D7C
9#6A6F76
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F6 #F3F6FB | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E4EB #E4EBF6 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CDDA #CDDAEF | Secondary backgroundsInput backgroundsDividers |
| 300 | A6BD #A6BDE3 | BordersInactive statesPlaceholder text |
| 400 | 779B #779BD4 | Disabled statesSecondary iconsMuted text |
| 500 | 517E #517EC8 | Primary brand colorCTAsActive elementsLinks |
| 600 | 3663 #3663AB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2B4E #2B4E88 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1F38 #1F3861 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1424 #14243E | Primary textHigh emphasis contentDark headings |
| 950 | 0C16 #0C1627 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--steel-blue-50: #F3F6FB;
--steel-blue-100: #E4EBF6;
--steel-blue-200: #CDDAEF;
--steel-blue-300: #A6BDE3;
--steel-blue-400: #779BD4;
--steel-blue-500: #517EC8;
--steel-blue-600: #3663AB;
--steel-blue-700: #2B4E88;
--steel-blue-800: #1F3861;
--steel-blue-900: #14243E;
--steel-blue-950: #0C1627;
}