Steel Blue

#3870A8

Blue

Color Codes

All color formats for development

HEX
#3870A8
RGB
rgb(56, 112, 168)
HSL
hsl(210, 50%, 44%)
OKLCH
oklch(0.534 0.106 250.5)
CMYK
cmyk(67%, 33%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

5.18:1

AA AAA

On Black Background

4.05:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F7
100
#E4ED
200
#CDDE
300
#A7C4
400
#79A6
500
#538C
600
#3870
700
#2D59
800
#2040
900
#1429
950
#0D1A

Shades

Darker variations

1#326597
2#2D5A87
3#274F76
4#224365
5#1C3854
6#162D43
7#112232
8#0B1622
9#060B11

Tints

Lighter variations

1#3F7EBE
2#548DC6
3#699BCD
4#7EA9D4
5#94B8DB
6#A9C6E2
7#BFD4EA
8#D4E2F1
9#EAF1F8

Tones

Muted variations

1#3E70A3
2#43709D
3#497097
4#4F7092
5#54708C
6#5A7087
7#5F7081
8#65707B
9#6B7076

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F7
#F4F7FB
BackgroundsSubtle highlightsCard backgrounds
100
E4ED
#E4EDF6
Light backgroundsTable row hoverSkeleton loading
200
CDDE
#CDDEEE
Secondary backgroundsInput backgroundsDividers
300
A7C4
#A7C4E2
BordersInactive statesPlaceholder text
400
79A6
#79A6D2
Disabled statesSecondary iconsMuted text
500
538C
#538CC6
Primary brand colorCTAsActive elementsLinks
600
3870
#3870A8
Hover statesFocus ringsPrimary buttons hover
700
2D59
#2D5986
Active/pressed statesDark mode accentsSecondary text
800
2040
#204060
Text on light backgroundsHeadingsStrong borders
900
1429
#14293D
Primary textHigh emphasis contentDark headings
950
0D1A
#0D1A26
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F4F7FB;
  --steel-blue-100: #E4EDF6;
  --steel-blue-200: #CDDEEE;
  --steel-blue-300: #A7C4E2;
  --steel-blue-400: #79A6D2;
  --steel-blue-500: #538CC6;
  --steel-blue-600: #3870A8;
  --steel-blue-700: #2D5986;
  --steel-blue-800: #204060;
  --steel-blue-900: #14293D;
  --steel-blue-950: #0D1A26;
}
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