Steel Blue

#3F97D9

Blue

Color Codes

All color formats for development

HEX
#3F97D9
RGB
rgb(63, 151, 217)
HSL
hsl(206, 67%, 55%)
OKLCH
oklch(0.653 0.129 244.5)
CMYK
cmyk(71%, 30%, 0%, 15%)

Accessibility

WCAG contrast compliance

On White Background

3.16:1

AA AAA

On Black Background

6.64:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F8
100
#E1EF
200
#C8E1
300
#9DCA
400
#6AAE
500
#3F97
600
#257A
700
#1D61
800
#1545
900
#0D2C
950
#081C

Shades

Darker variations

1#2A8AD3
2#257ABB
3#206BA4
4#1C5C8D
5#174C75
6#133D5E
7#0E2E46
8#091F2F
9#050F17

Tints

Lighter variations

1#53A1DD
2#66ABE1
3#79B6E4
4#8CC0E8
5#9FCBEC
6#B2D5F0
7#C6E0F4
8#D9EAF7
9#ECF5FB

Tones

Muted variations

1#4795D1
2#4F94CA
3#5693C2
4#5E92BA
5#6691B3
6#6D90AB
7#758FA3
8#7D8E9C
9#858D94

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F8
#F2F8FC
BackgroundsSubtle highlightsCard backgrounds
100
E1EF
#E1EFF9
Light backgroundsTable row hoverSkeleton loading
200
C8E1
#C8E1F4
Secondary backgroundsInput backgroundsDividers
300
9DCA
#9DCAEC
BordersInactive statesPlaceholder text
400
6AAE
#6AAEE2
Disabled statesSecondary iconsMuted text
500
3F97
#3F97D9
Primary brand colorCTAsActive elementsLinks
600
257A
#257ABB
Hover statesFocus ringsPrimary buttons hover
700
1D61
#1D6195
Active/pressed statesDark mode accentsSecondary text
800
1545
#15456A
Text on light backgroundsHeadingsStrong borders
900
0D2C
#0D2C44
Primary textHigh emphasis contentDark headings
950
081C
#081C2B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F2F8FC;
  --steel-blue-100: #E1EFF9;
  --steel-blue-200: #C8E1F4;
  --steel-blue-300: #9DCAEC;
  --steel-blue-400: #6AAEE2;
  --steel-blue-500: #3F97D9;
  --steel-blue-600: #257ABB;
  --steel-blue-700: #1D6195;
  --steel-blue-800: #15456A;
  --steel-blue-900: #0D2C44;
  --steel-blue-950: #081C2B;
}
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