Steel Blue

#637CB6

Blue

Color Codes

All color formats for development

HEX
#637CB6
RGB
rgb(99, 124, 182)
HSL
hsl(222, 36%, 55%)
OKLCH
oklch(0.591 0.094 265.8)
CMYK
cmyk(46%, 32%, 0%, 29%)

Accessibility

WCAG contrast compliance

On White Background

4.13:1

AA AAA

On Black Background

5.09:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F6
100
#E7EB
200
#D2D9
300
#AFBC
400
#8699
500
#637C
600
#4860
700
#394C
800
#2937
900
#1A23
950
#1016

Shades

Darker variations

1#516CAC
2#486099
3#3F5486
4#364872
5#2D3C5F
6#24304C
7#1B2439
8#121826
9#090C13

Tints

Lighter variations

1#7389BD
2#8296C4
3#92A3CC
4#A1B0D3
5#B1BDDA
6#C1CAE2
7#D0D8E9
8#E0E5F0
9#EFF2F8

Tones

Muted variations

1#677DB1
2#6B7FAD
3#6F81A9
4#7382A5
5#7884A1
6#7C869D
7#808799
8#848995
9#888B90

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F5F6
#F5F6FA
BackgroundsSubtle highlightsCard backgrounds
100
E7EB
#E7EBF4
Light backgroundsTable row hoverSkeleton loading
200
D2D9
#D2D9EA
Secondary backgroundsInput backgroundsDividers
300
AFBC
#AFBCD9
BordersInactive statesPlaceholder text
400
8699
#8699C6
Disabled statesSecondary iconsMuted text
500
637C
#637CB6
Primary brand colorCTAsActive elementsLinks
600
4860
#486099
Hover statesFocus ringsPrimary buttons hover
700
394C
#394C79
Active/pressed statesDark mode accentsSecondary text
800
2937
#293757
Text on light backgroundsHeadingsStrong borders
900
1A23
#1A2337
Primary textHigh emphasis contentDark headings
950
1016
#101623
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F5F6FA;
  --steel-blue-100: #E7EBF4;
  --steel-blue-200: #D2D9EA;
  --steel-blue-300: #AFBCD9;
  --steel-blue-400: #8699C6;
  --steel-blue-500: #637CB6;
  --steel-blue-600: #486099;
  --steel-blue-700: #394C79;
  --steel-blue-800: #293757;
  --steel-blue-900: #1A2337;
  --steel-blue-950: #101623;
}
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