Steel Blue

#287CB8

Blue

Color Codes

All color formats for development

HEX
#287CB8
RGB
rgb(40, 124, 184)
HSL
hsl(205, 64%, 44%)
OKLCH
oklch(0.566 0.122 244.4)
CMYK
cmyk(78%, 33%, 0%, 28%)

Accessibility

WCAG contrast compliance

On White Background

4.50:1

AA AAA

On Black Background

4.67:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F8
100
#E2EF
200
#C9E1
300
#9FCB
400
#6DAF
500
#4398
600
#287C
700
#2063
800
#1747
900
#0F2D
950
#091C

Shades

Darker variations

1#2470A6
2#206393
3#1C5781
4#184B6E
5#143E5C
6#10324A
7#0C2537
8#081925
9#040C12

Tints

Lighter variations

1#2E8CCF
2#4499D6
3#5BA6DB
4#72B2E0
5#8ABFE5
6#A1CCEA
7#B9D9F0
8#D0E5F5
9#E8F2FA

Tones

Muted variations

1#307BB1
2#377AAA
3#3E79A2
4#45779B
5#4C7694
6#53758D
7#5B7486
8#62737F
9#697177

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F8
#F2F8FC
BackgroundsSubtle highlightsCard backgrounds
100
E2EF
#E2EFF9
Light backgroundsTable row hoverSkeleton loading
200
C9E1
#C9E1F3
Secondary backgroundsInput backgroundsDividers
300
9FCB
#9FCBEA
BordersInactive statesPlaceholder text
400
6DAF
#6DAFDF
Disabled statesSecondary iconsMuted text
500
4398
#4398D6
Primary brand colorCTAsActive elementsLinks
600
287C
#287CB8
Hover statesFocus ringsPrimary buttons hover
700
2063
#206392
Active/pressed statesDark mode accentsSecondary text
800
1747
#174769
Text on light backgroundsHeadingsStrong borders
900
0F2D
#0F2D43
Primary textHigh emphasis contentDark headings
950
091C
#091C2A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F2F8FC;
  --steel-blue-100: #E2EFF9;
  --steel-blue-200: #C9E1F3;
  --steel-blue-300: #9FCBEA;
  --steel-blue-400: #6DAFDF;
  --steel-blue-500: #4398D6;
  --steel-blue-600: #287CB8;
  --steel-blue-700: #206392;
  --steel-blue-800: #174769;
  --steel-blue-900: #0F2D43;
  --steel-blue-950: #091C2A;
}
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