Steel Blue

#559FC3

Blue

Color Codes

All color formats for development

HEX
#559FC3
RGB
rgb(85, 159, 195)
HSL
hsl(200, 48%, 55%)
OKLCH
oklch(0.669 0.091 231.4)
CMYK
cmyk(56%, 18%, 0%, 24%)

Accessibility

WCAG contrast compliance

On White Background

2.94:1

AA AAA

On Black Background

7.13:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F9
100
#E5F0
200
#CEE3
300
#A8CE
400
#7BB4
500
#559F
600
#3A82
700
#2E68
800
#214A
900
#152F
950
#0D1E

Shades

Darker variations

1#4292BB
2#3A82A6
3#337291
4#2C627D
5#245168
6#1D4153
7#16313E
8#0F212A
9#071015

Tints

Lighter variations

1#66A8C9
2#77B2CF
3#88BCD5
4#99C5DB
5#AACFE1
6#BBD8E7
7#CCE2ED
8#DDECF3
9#EEF5F9

Tones

Muted variations

1#5B9DBE
2#609BB8
3#6699B3
4#6B97AD
5#7195A8
6#7694A2
7#7C929D
8#819097
9#878E92

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F9
#F4F9FB
BackgroundsSubtle highlightsCard backgrounds
100
E5F0
#E5F0F6
Light backgroundsTable row hoverSkeleton loading
200
CEE3
#CEE3EE
Secondary backgroundsInput backgroundsDividers
300
A8CE
#A8CEE1
BordersInactive statesPlaceholder text
400
7BB4
#7BB4D1
Disabled statesSecondary iconsMuted text
500
559F
#559FC3
Primary brand colorCTAsActive elementsLinks
600
3A82
#3A82A6
Hover statesFocus ringsPrimary buttons hover
700
2E68
#2E6884
Active/pressed statesDark mode accentsSecondary text
800
214A
#214A5E
Text on light backgroundsHeadingsStrong borders
900
152F
#152F3C
Primary textHigh emphasis contentDark headings
950
0D1E
#0D1E26
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F4F9FB;
  --steel-blue-100: #E5F0F6;
  --steel-blue-200: #CEE3EE;
  --steel-blue-300: #A8CEE1;
  --steel-blue-400: #7BB4D1;
  --steel-blue-500: #559FC3;
  --steel-blue-600: #3A82A6;
  --steel-blue-700: #2E6884;
  --steel-blue-800: #214A5E;
  --steel-blue-900: #152F3C;
  --steel-blue-950: #0D1E26;
}
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