Steel Blue

#288FB8

Blue

Color Codes

All color formats for development

HEX
#288FB8
RGB
rgb(40, 143, 184)
HSL
hsl(197, 64%, 44%)
OKLCH
oklch(0.611 0.109 229.8)
CMYK
cmyk(78%, 22%, 0%, 28%)

Accessibility

WCAG contrast compliance

On White Background

3.68:1

AA AAA

On Black Background

5.71:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F9
100
#E2F2
200
#C9E7
300
#9FD5
400
#6DBF
500
#43AC
600
#288F
700
#2072
800
#1751
900
#0F34
950
#0921

Shades

Darker variations

1#2481A6
2#207393
3#1C6481
4#18566E
5#14485C
6#10394A
7#0C2B37
8#081D25
9#040E12

Tints

Lighter variations

1#2EA2CF
2#44ACD6
3#5BB7DB
4#72C1E0
5#8ACBE5
6#A1D6EA
7#B9E0F0
8#D0EAF5
9#E8F5FA

Tones

Muted variations

1#308CB1
2#3789AA
3#3E86A2
4#45839B
5#4C8094
6#537D8D
7#5B7A86
8#62767F
9#697377

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F9
#F2F9FC
BackgroundsSubtle highlightsCard backgrounds
100
E2F2
#E2F2F9
Light backgroundsTable row hoverSkeleton loading
200
C9E7
#C9E7F3
Secondary backgroundsInput backgroundsDividers
300
9FD5
#9FD5EA
BordersInactive statesPlaceholder text
400
6DBF
#6DBFDF
Disabled statesSecondary iconsMuted text
500
43AC
#43ACD6
Primary brand colorCTAsActive elementsLinks
600
288F
#288FB8
Hover statesFocus ringsPrimary buttons hover
700
2072
#207292
Active/pressed statesDark mode accentsSecondary text
800
1751
#175169
Text on light backgroundsHeadingsStrong borders
900
0F34
#0F3443
Primary textHigh emphasis contentDark headings
950
0921
#09212A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F2F9FC;
  --steel-blue-100: #E2F2F9;
  --steel-blue-200: #C9E7F3;
  --steel-blue-300: #9FD5EA;
  --steel-blue-400: #6DBFDF;
  --steel-blue-500: #43ACD6;
  --steel-blue-600: #288FB8;
  --steel-blue-700: #207292;
  --steel-blue-800: #175169;
  --steel-blue-900: #0F3443;
  --steel-blue-950: #09212A;
}
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