Steel Blue

#559BC3

Blue

Color Codes

All color formats for development

HEX
#559BC3
RGB
rgb(85, 155, 195)
HSL
hsl(202, 48%, 55%)
OKLCH
oklch(0.66 0.092 235.6)
CMYK
cmyk(56%, 21%, 0%, 24%)

Accessibility

WCAG contrast compliance

On White Background

3.06:1

AA AAA

On Black Background

6.86:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F8
100
#E5EF
200
#CEE2
300
#A8CC
400
#7BB1
500
#559B
600
#3A7F
700
#2E65
800
#2148
900
#152E
950
#0D1D

Shades

Darker variations

1#428EBB
2#3A7FA6
3#336F91
4#2C5F7D
5#244F68
6#1D3F53
7#162F3E
8#0F202A
9#071015

Tints

Lighter variations

1#66A5C9
2#77AFCF
3#88B9D5
4#99C3DB
5#AACDE1
6#BBD7E7
7#CCE1ED
8#DDEBF3
9#EEF5F9

Tones

Muted variations

1#5B99BE
2#6098B8
3#6697B3
4#6B95AD
5#7194A8
6#7692A2
7#7C919D
8#818F97
9#878E92

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F8
#F4F8FB
BackgroundsSubtle highlightsCard backgrounds
100
E5EF
#E5EFF6
Light backgroundsTable row hoverSkeleton loading
200
CEE2
#CEE2EE
Secondary backgroundsInput backgroundsDividers
300
A8CC
#A8CCE1
BordersInactive statesPlaceholder text
400
7BB1
#7BB1D1
Disabled statesSecondary iconsMuted text
500
559B
#559BC3
Primary brand colorCTAsActive elementsLinks
600
3A7F
#3A7FA6
Hover statesFocus ringsPrimary buttons hover
700
2E65
#2E6584
Active/pressed statesDark mode accentsSecondary text
800
2148
#21485E
Text on light backgroundsHeadingsStrong borders
900
152E
#152E3C
Primary textHigh emphasis contentDark headings
950
0D1D
#0D1D26
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F4F8FB;
  --steel-blue-100: #E5EFF6;
  --steel-blue-200: #CEE2EE;
  --steel-blue-300: #A8CCE1;
  --steel-blue-400: #7BB1D1;
  --steel-blue-500: #559BC3;
  --steel-blue-600: #3A7FA6;
  --steel-blue-700: #2E6584;
  --steel-blue-800: #21485E;
  --steel-blue-900: #152E3C;
  --steel-blue-950: #0D1D26;
}
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