Steel Blue

#3181AF

Blue

Color Codes

All color formats for development

HEX
#3181AF
RGB
rgb(49, 129, 175)
HSL
hsl(202, 56%, 44%)
OKLCH
oklch(0.575 0.104 237.9)
CMYK
cmyk(72%, 26%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

4.29:1

AA AAA

On Black Background

4.89:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F8
100
#E3F0
200
#CBE3
300
#A4CD
400
#74B3
500
#4C9D
600
#3181
700
#2767
800
#1C49
900
#122F
950
#0B1D

Shades

Darker variations

1#2C749E
2#27678C
3#235A7B
4#1E4D69
5#194058
6#143446
7#0F2735
8#0A1A23
9#050D12

Tints

Lighter variations

1#3891C5
2#4D9ECD
3#63AAD3
4#79B6D9
5#90C2E0
6#A6CEE6
7#BCDBEC
8#D2E7F2
9#E9F3F9

Tones

Muted variations

1#387FA9
2#3E7EA2
3#447C9C
4#4B7A96
5#517990
6#577789
7#5D7583
8#64747D
9#6A7276

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F8
#F3F8FC
BackgroundsSubtle highlightsCard backgrounds
100
E3F0
#E3F0F7
Light backgroundsTable row hoverSkeleton loading
200
CBE3
#CBE3F0
Secondary backgroundsInput backgroundsDividers
300
A4CD
#A4CDE5
BordersInactive statesPlaceholder text
400
74B3
#74B3D8
Disabled statesSecondary iconsMuted text
500
4C9D
#4C9DCD
Primary brand colorCTAsActive elementsLinks
600
3181
#3181AF
Hover statesFocus ringsPrimary buttons hover
700
2767
#27678B
Active/pressed statesDark mode accentsSecondary text
800
1C49
#1C4963
Text on light backgroundsHeadingsStrong borders
900
122F
#122F40
Primary textHigh emphasis contentDark headings
950
0B1D
#0B1D28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F3F8FC;
  --steel-blue-100: #E3F0F7;
  --steel-blue-200: #CBE3F0;
  --steel-blue-300: #A4CDE5;
  --steel-blue-400: #74B3D8;
  --steel-blue-500: #4C9DCD;
  --steel-blue-600: #3181AF;
  --steel-blue-700: #27678B;
  --steel-blue-800: #1C4963;
  --steel-blue-900: #122F40;
  --steel-blue-950: #0B1D28;
}
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