Steel Blue

#439D9D

Cyan

Color Codes

All color formats for development

HEX
#439D9D
RGB
rgb(67, 157, 157)
HSL
hsl(180, 40%, 44%)
OKLCH
oklch(0.642 0.085 195.2)
CMYK
cmyk(57%, 0%, 0%, 38%)

Accessibility

WCAG contrast compliance

On White Background

3.21:1

AA AAA

On Black Background

6.55:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4FA
100
#E6F4
200
#D1EB
300
#ADDC
400
#82C9
500
#5EBA
600
#439D
700
#367D
800
#2659
900
#1839
950
#0F24

Shades

Darker variations

1#3D8D8D
2#367E7E
3#2F6E6E
4#285E5E
5#224F4F
6#1B3F3F
7#142F2F
8#0D1F1F
9#071010

Tints

Lighter variations

1#4CB1B1
2#5FBABA
3#73C3C3
4#87CCCC
5#9BD4D4
6#AFDDDD
7#C3E5E5
8#D7EEEE
9#EBF6F6

Tones

Muted variations

1#489999
2#4C9494
3#519090
4#558B8B
5#5A8787
6#5E8282
7#637E7E
8#677979
9#6C7575

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4FA
#F4FAFA
BackgroundsSubtle highlightsCard backgrounds
100
E6F4
#E6F4F4
Light backgroundsTable row hoverSkeleton loading
200
D1EB
#D1EBEB
Secondary backgroundsInput backgroundsDividers
300
ADDC
#ADDCDC
BordersInactive statesPlaceholder text
400
82C9
#82C9C9
Disabled statesSecondary iconsMuted text
500
5EBA
#5EBABA
Primary brand colorCTAsActive elementsLinks
600
439D
#439D9D
Hover statesFocus ringsPrimary buttons hover
700
367D
#367D7D
Active/pressed statesDark mode accentsSecondary text
800
2659
#265959
Text on light backgroundsHeadingsStrong borders
900
1839
#183939
Primary textHigh emphasis contentDark headings
950
0F24
#0F2424
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F4FAFA;
  --steel-blue-100: #E6F4F4;
  --steel-blue-200: #D1EBEB;
  --steel-blue-300: #ADDCDC;
  --steel-blue-400: #82C9C9;
  --steel-blue-500: #5EBABA;
  --steel-blue-600: #439D9D;
  --steel-blue-700: #367D7D;
  --steel-blue-800: #265959;
  --steel-blue-900: #183939;
  --steel-blue-950: #0F2424;
}
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