Steel Blue

#317DAF

Blue

Color Codes

All color formats for development

HEX
#317DAF
RGB
rgb(49, 125, 175)
HSL
hsl(204, 56%, 44%)
OKLCH
oklch(0.566 0.107 241.3)
CMYK
cmyk(72%, 29%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

4.48:1

AA AAA

On Black Background

4.68:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F8
100
#E3EF
200
#CBE2
300
#A4CB
400
#74B0
500
#4C99
600
#317D
700
#2763
800
#1C47
900
#122D
950
#0B1C

Shades

Darker variations

1#2C709E
2#27648C
3#23577B
4#1E4B69
5#193E58
6#143246
7#0F2535
8#0A1923
9#050C12

Tints

Lighter variations

1#388DC5
2#4D9ACD
3#63A6D3
4#79B3D9
5#90C0E0
6#A6CCE6
7#BCD9EC
8#D2E6F2
9#E9F2F9

Tones

Muted variations

1#387CA9
2#3E7AA2
3#44799C
4#4B7896
5#517690
6#577589
7#5D7483
8#64737D
9#6A7176

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F8
#F3F8FC
BackgroundsSubtle highlightsCard backgrounds
100
E3EF
#E3EFF7
Light backgroundsTable row hoverSkeleton loading
200
CBE2
#CBE2F0
Secondary backgroundsInput backgroundsDividers
300
A4CB
#A4CBE5
BordersInactive statesPlaceholder text
400
74B0
#74B0D8
Disabled statesSecondary iconsMuted text
500
4C99
#4C99CD
Primary brand colorCTAsActive elementsLinks
600
317D
#317DAF
Hover statesFocus ringsPrimary buttons hover
700
2763
#27638B
Active/pressed statesDark mode accentsSecondary text
800
1C47
#1C4763
Text on light backgroundsHeadingsStrong borders
900
122D
#122D40
Primary textHigh emphasis contentDark headings
950
0B1C
#0B1C28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F3F8FC;
  --steel-blue-100: #E3EFF7;
  --steel-blue-200: #CBE2F0;
  --steel-blue-300: #A4CBE5;
  --steel-blue-400: #74B0D8;
  --steel-blue-500: #4C99CD;
  --steel-blue-600: #317DAF;
  --steel-blue-700: #27638B;
  --steel-blue-800: #1C4763;
  --steel-blue-900: #122D40;
  --steel-blue-950: #0B1C28;
}
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