Steel Blue

#666AB2

Blue

Color Codes

All color formats for development

HEX
#666AB2
RGB
rgb(102, 106, 178)
HSL
hsl(237, 33%, 55%)
OKLCH
oklch(0.553 0.111 279.7)
CMYK
cmyk(43%, 40%, 0%, 30%)

Accessibility

WCAG contrast compliance

On White Background

4.92:1

AA AAA

On Black Background

4.27:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F5
100
#E7E8
200
#D3D4
300
#B1B3
400
#888B
500
#666A
600
#4B4F
700
#3C3F
800
#2B2D
900
#1B1D
950
#1112

Shades

Darker variations

1#5559A8
2#4B4F95
3#424583
4#383B70
5#2F315D
6#26274B
7#1C1E38
8#131425
9#090A13

Tints

Lighter variations

1#7679BA
2#8588C1
3#9497C9
4#A3A6D1
5#B3B5D9
6#C2C3E0
7#D1D2E8
8#E0E1F0
9#F0F0F7

Tones

Muted variations

1#6A6EAE
2#6E71AB
3#7274A7
4#7678A3
5#797B9F
6#7D7F9B
7#818298
8#858594
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
D3D4
#D3D4E9
Secondary backgroundsInput backgroundsDividers
300
B1B3
#B1B3D8
BordersInactive statesPlaceholder text
400
888B
#888BC3
Disabled statesSecondary iconsMuted text
500
666A
#666AB2
Primary brand colorCTAsActive elementsLinks
600
4B4F
#4B4F95
Hover statesFocus ringsPrimary buttons hover
700
3C3F
#3C3F77
Active/pressed statesDark mode accentsSecondary text
800
2B2D
#2B2D55
Text on light backgroundsHeadingsStrong borders
900
1B1D
#1B1D36
Primary textHigh emphasis contentDark headings
950
1112
#111222
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: #D3D4E9;
  --steel-blue-300: #B1B3D8;
  --steel-blue-400: #888BC3;
  --steel-blue-500: #666AB2;
  --steel-blue-600: #4B4F95;
  --steel-blue-700: #3C3F77;
  --steel-blue-800: #2B2D55;
  --steel-blue-900: #1B1D36;
  --steel-blue-950: #111222;
}
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