Steel Blue

#437F9D

Blue

Color Codes

All color formats for development

HEX
#437F9D
RGB
rgb(67, 127, 157)
HSL
hsl(200, 40%, 44%)
OKLCH
oklch(0.569 0.078 232.1)
CMYK
cmyk(57%, 19%, 0%, 38%)

Accessibility

WCAG contrast compliance

On White Background

4.41:1

AA AAA

On Black Background

4.76:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F8
100
#E6F0
200
#D1E2
300
#ADCC
400
#82B2
500
#5E9C
600
#437F
700
#3665
800
#2648
900
#182E
950
#0F1D

Shades

Darker variations

1#3D728D
2#36667E
3#2F596E
4#284C5E
5#22404F
6#1B333F
7#14262F
8#0D191F
9#070D10

Tints

Lighter variations

1#4C8FB1
2#5F9CBA
3#73A8C3
4#87B5CC
5#9BC1D4
6#AFCDDD
7#C3DAE5
8#D7E6EE
9#EBF3F6

Tones

Muted variations

1#487E99
2#4C7C94
3#517B90
4#55798B
5#5A7887
6#5E7682
7#63757E
8#677379
9#6C7275

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F8
#F4F8FA
BackgroundsSubtle highlightsCard backgrounds
100
E6F0
#E6F0F4
Light backgroundsTable row hoverSkeleton loading
200
D1E2
#D1E2EB
Secondary backgroundsInput backgroundsDividers
300
ADCC
#ADCCDC
BordersInactive statesPlaceholder text
400
82B2
#82B2C9
Disabled statesSecondary iconsMuted text
500
5E9C
#5E9CBA
Primary brand colorCTAsActive elementsLinks
600
437F
#437F9D
Hover statesFocus ringsPrimary buttons hover
700
3665
#36657D
Active/pressed statesDark mode accentsSecondary text
800
2648
#264859
Text on light backgroundsHeadingsStrong borders
900
182E
#182E39
Primary textHigh emphasis contentDark headings
950
0F1D
#0F1D24
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F4F8FA;
  --steel-blue-100: #E6F0F4;
  --steel-blue-200: #D1E2EB;
  --steel-blue-300: #ADCCDC;
  --steel-blue-400: #82B2C9;
  --steel-blue-500: #5E9CBA;
  --steel-blue-600: #437F9D;
  --steel-blue-700: #36657D;
  --steel-blue-800: #264859;
  --steel-blue-900: #182E39;
  --steel-blue-950: #0F1D24;
}
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