Steel Blue

#42839E

Blue

Color Codes

All color formats for development

HEX
#42839E
RGB
rgb(66, 131, 158)
HSL
hsl(198, 41%, 44%)
OKLCH
oklch(0.578 0.078 227.6)
CMYK
cmyk(58%, 17%, 0%, 38%)

Accessibility

WCAG contrast compliance

On White Background

4.22:1

AA AAA

On Black Background

4.97:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F9
100
#E6F0
200
#D0E3
300
#ACCE
400
#81B4
500
#5D9F
600
#4283
700
#3568
800
#264A
900
#182F
950
#0F1E

Shades

Darker variations

1#3C768E
2#35687F
3#2E5B6F
4#284E5F
5#21414F
6#1A343F
7#14272F
8#0D1A20
9#070D10

Tints

Lighter variations

1#4B93B2
2#5E9FBC
3#72ABC4
4#86B7CC
5#9AC3D5
6#AECFDD
7#C3DBE6
8#D7E7EE
9#EBF3F7

Tones

Muted variations

1#47819A
2#4B7F95
3#507D90
4#557B8C
5#597987
6#5E7883
7#62767E
8#677479
9#6C7275

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F9
#F4F9FA
BackgroundsSubtle highlightsCard backgrounds
100
E6F0
#E6F0F4
Light backgroundsTable row hoverSkeleton loading
200
D0E3
#D0E3EB
Secondary backgroundsInput backgroundsDividers
300
ACCE
#ACCEDC
BordersInactive statesPlaceholder text
400
81B4
#81B4CA
Disabled statesSecondary iconsMuted text
500
5D9F
#5D9FBB
Primary brand colorCTAsActive elementsLinks
600
4283
#42839E
Hover statesFocus ringsPrimary buttons hover
700
3568
#35687E
Active/pressed statesDark mode accentsSecondary text
800
264A
#264A5A
Text on light backgroundsHeadingsStrong borders
900
182F
#182F3A
Primary textHigh emphasis contentDark headings
950
0F1E
#0F1E24
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F4F9FA;
  --steel-blue-100: #E6F0F4;
  --steel-blue-200: #D0E3EB;
  --steel-blue-300: #ACCEDC;
  --steel-blue-400: #81B4CA;
  --steel-blue-500: #5D9FBB;
  --steel-blue-600: #42839E;
  --steel-blue-700: #35687E;
  --steel-blue-800: #264A5A;
  --steel-blue-900: #182F3A;
  --steel-blue-950: #0F1E24;
}
Generate More ShadesCreate PaletteConvert Color