Steel Blue

#2566BB

Blue

Color Codes

All color formats for development

HEX
#2566BB
RGB
rgb(37, 102, 187)
HSL
hsl(214, 67%, 44%)
OKLCH
oklch(0.516 0.149 256.8)
CMYK
cmyk(80%, 45%, 0%, 27%)

Accessibility

WCAG contrast compliance

On White Background

5.68:1

AA AAA

On Black Background

3.70:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F7
100
#E1EC
200
#C8DB
300
#9DBF
400
#6A9E
500
#3F82
600
#2566
700
#1D51
800
#153A
900
#0D25
950
#0817

Shades

Darker variations

1#215CA9
2#1E5296
3#1A4883
4#163D70
5#13335E
6#0F294B
7#0B1F38
8#071425
9#040A13

Tints

Lighter variations

1#2A73D3
2#4083D9
3#5892DE
4#70A2E3
5#88B1E7
6#A0C1EC
7#B7D0F1
8#CFE0F6
9#E7EFFA

Tones

Muted variations

1#2D67B4
2#3468AC
3#3C69A5
4#436A9D
5#4B6B96
6#526C8E
7#5A6D87
8#616E7F
9#696F78

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F7
#F2F7FC
BackgroundsSubtle highlightsCard backgrounds
100
E1EC
#E1ECF9
Light backgroundsTable row hoverSkeleton loading
200
C8DB
#C8DBF4
Secondary backgroundsInput backgroundsDividers
300
9DBF
#9DBFEC
BordersInactive statesPlaceholder text
400
6A9E
#6A9EE2
Disabled statesSecondary iconsMuted text
500
3F82
#3F82D9
Primary brand colorCTAsActive elementsLinks
600
2566
#2566BB
Hover statesFocus ringsPrimary buttons hover
700
1D51
#1D5195
Active/pressed statesDark mode accentsSecondary text
800
153A
#153A6A
Text on light backgroundsHeadingsStrong borders
900
0D25
#0D2544
Primary textHigh emphasis contentDark headings
950
0817
#08172B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F2F7FC;
  --steel-blue-100: #E1ECF9;
  --steel-blue-200: #C8DBF4;
  --steel-blue-300: #9DBFEC;
  --steel-blue-400: #6A9EE2;
  --steel-blue-500: #3F82D9;
  --steel-blue-600: #2566BB;
  --steel-blue-700: #1D5195;
  --steel-blue-800: #153A6A;
  --steel-blue-900: #0D2544;
  --steel-blue-950: #08172B;
}
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