Steel Blue

#3680AB

Blue

Color Codes

All color formats for development

HEX
#3680AB
RGB
rgb(54, 128, 171)
HSL
hsl(202, 52%, 44%)
OKLCH
oklch(0.572 0.098 237.6)
CMYK
cmyk(68%, 25%, 0%, 33%)

Accessibility

WCAG contrast compliance

On White Background

4.35:1

AA AAA

On Black Background

4.83:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F8
100
#E4F0
200
#CDE2
300
#A6CC
400
#77B2
500
#519C
600
#3680
700
#2B66
800
#1F49
900
#142E
950
#0C1D

Shades

Darker variations

1#307399
2#2B6688
3#265977
4#204D66
5#1B4055
6#163344
7#102633
8#0B1A22
9#050D11

Tints

Lighter variations

1#3D90C0
2#519DC8
3#67A9CF
4#7DB5D6
5#92C2DD
6#A8CEE4
7#BEDAEA
8#D4E6F1
9#E9F3F8

Tones

Muted variations

1#3C7EA5
2#427D9F
3#477B99
4#4D7A93
5#53788D
6#597688
7#5F7582
8#65737C
9#6A7276

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F8
#F3F8FB
BackgroundsSubtle highlightsCard backgrounds
100
E4F0
#E4F0F6
Light backgroundsTable row hoverSkeleton loading
200
CDE2
#CDE2EF
Secondary backgroundsInput backgroundsDividers
300
A6CC
#A6CCE3
BordersInactive statesPlaceholder text
400
77B2
#77B2D4
Disabled statesSecondary iconsMuted text
500
519C
#519CC8
Primary brand colorCTAsActive elementsLinks
600
3680
#3680AB
Hover statesFocus ringsPrimary buttons hover
700
2B66
#2B6688
Active/pressed statesDark mode accentsSecondary text
800
1F49
#1F4961
Text on light backgroundsHeadingsStrong borders
900
142E
#142E3E
Primary textHigh emphasis contentDark headings
950
0C1D
#0C1D27
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F3F8FB;
  --steel-blue-100: #E4F0F6;
  --steel-blue-200: #CDE2EF;
  --steel-blue-300: #A6CCE3;
  --steel-blue-400: #77B2D4;
  --steel-blue-500: #519CC8;
  --steel-blue-600: #3680AB;
  --steel-blue-700: #2B6688;
  --steel-blue-800: #1F4961;
  --steel-blue-900: #142E3E;
  --steel-blue-950: #0C1D27;
}
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