Steel Blue

#42679E

Blue

Color Codes

All color formats for development

HEX
#42679E
RGB
rgb(66, 103, 158)
HSL
hsl(216, 41%, 44%)
OKLCH
oklch(0.512 0.098 258.1)
CMYK
cmyk(58%, 35%, 0%, 38%)

Accessibility

WCAG contrast compliance

On White Background

5.73:1

AA AAA

On Black Background

3.67:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F7
100
#E6EC
200
#D0DB
300
#ACC0
400
#819E
500
#5D83
600
#4267
700
#3552
800
#263B
900
#1825
950
#0F17

Shades

Darker variations

1#3C5D8E
2#35527F
3#2E486F
4#283E5F
5#21334F
6#1A293F
7#141F2F
8#0D1520
9#070A10

Tints

Lighter variations

1#4B74B2
2#5E83BC
3#7293C4
4#86A2CC
5#9AB2D5
6#AEC1DD
7#C3D1E6
8#D7E0EE
9#EBF0F7

Tones

Muted variations

1#47689A
2#4B6995
3#506A90
4#556B8C
5#596C87
6#5E6D83
7#626D7E
8#676E79
9#6C6F75

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F7
#F4F7FA
BackgroundsSubtle highlightsCard backgrounds
100
E6EC
#E6ECF4
Light backgroundsTable row hoverSkeleton loading
200
D0DB
#D0DBEB
Secondary backgroundsInput backgroundsDividers
300
ACC0
#ACC0DC
BordersInactive statesPlaceholder text
400
819E
#819ECA
Disabled statesSecondary iconsMuted text
500
5D83
#5D83BB
Primary brand colorCTAsActive elementsLinks
600
4267
#42679E
Hover statesFocus ringsPrimary buttons hover
700
3552
#35527E
Active/pressed statesDark mode accentsSecondary text
800
263B
#263B5A
Text on light backgroundsHeadingsStrong borders
900
1825
#18253A
Primary textHigh emphasis contentDark headings
950
0F17
#0F1724
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F4F7FA;
  --steel-blue-100: #E6ECF4;
  --steel-blue-200: #D0DBEB;
  --steel-blue-300: #ACC0DC;
  --steel-blue-400: #819ECA;
  --steel-blue-500: #5D83BB;
  --steel-blue-600: #42679E;
  --steel-blue-700: #35527E;
  --steel-blue-800: #263B5A;
  --steel-blue-900: #18253A;
  --steel-blue-950: #0F1724;
}
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