Steel Blue

#666EB2

Blue

Color Codes

All color formats for development

HEX
#666EB2
RGB
rgb(102, 110, 178)
HSL
hsl(234, 33%, 55%)
OKLCH
oklch(0.562 0.105 277.3)
CMYK
cmyk(43%, 38%, 0%, 30%)

Accessibility

WCAG contrast compliance

On White Background

4.73:1

AA AAA

On Black Background

4.44:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F5
100
#E7E8
200
#D3D5
300
#B1B5
400
#888E
500
#666E
600
#4B53
700
#3C42
800
#2B2F
900
#1B1E
950
#1113

Shades

Darker variations

1#555DA8
2#4B5395
3#424883
4#383E70
5#2F345D
6#26294B
7#1C1F38
8#131525
9#090A13

Tints

Lighter variations

1#767CBA
2#858BC1
3#9499C9
4#A3A8D1
5#B3B6D9
6#C2C5E0
7#D1D3E8
8#E0E2F0
9#F0F0F7

Tones

Muted variations

1#6A71AE
2#6E74AB
3#7277A7
4#767AA3
5#797D9F
6#7D809B
7#818398
8#858694
9#888990

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F5F5
#F5F5FA
BackgroundsSubtle highlightsCard backgrounds
100
E7E8
#E7E8F3
Light backgroundsTable row hoverSkeleton loading
200
D3D5
#D3D5E9
Secondary backgroundsInput backgroundsDividers
300
B1B5
#B1B5D8
BordersInactive statesPlaceholder text
400
888E
#888EC3
Disabled statesSecondary iconsMuted text
500
666E
#666EB2
Primary brand colorCTAsActive elementsLinks
600
4B53
#4B5395
Hover statesFocus ringsPrimary buttons hover
700
3C42
#3C4277
Active/pressed statesDark mode accentsSecondary text
800
2B2F
#2B2F55
Text on light backgroundsHeadingsStrong borders
900
1B1E
#1B1E36
Primary textHigh emphasis contentDark headings
950
1113
#111322
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F5F5FA;
  --steel-blue-100: #E7E8F3;
  --steel-blue-200: #D3D5E9;
  --steel-blue-300: #B1B5D8;
  --steel-blue-400: #888EC3;
  --steel-blue-500: #666EB2;
  --steel-blue-600: #4B5395;
  --steel-blue-700: #3C4277;
  --steel-blue-800: #2B2F55;
  --steel-blue-900: #1B1E36;
  --steel-blue-950: #111322;
}
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