Steel Blue

#638CB6

Blue

Color Codes

All color formats for development

HEX
#638CB6
RGB
rgb(99, 140, 182)
HSL
hsl(210, 36%, 55%)
OKLCH
oklch(0.627 0.078 249.8)
CMYK
cmyk(46%, 23%, 0%, 29%)

Accessibility

WCAG contrast compliance

On White Background

3.53:1

AA AAA

On Black Background

5.96:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F7
100
#E7ED
200
#D2DE
300
#AFC4
400
#86A6
500
#638C
600
#4870
700
#3959
800
#2940
900
#1A29
950
#101A

Shades

Darker variations

1#517EAC
2#487099
3#3F6286
4#365472
5#2D465F
6#24384C
7#1B2A39
8#121C26
9#090E13

Tints

Lighter variations

1#7398BD
2#82A3C4
3#92AFCC
4#A1BAD3
5#B1C6DA
6#C1D1E2
7#D0DDE9
8#E0E8F0
9#EFF4F8

Tones

Muted variations

1#678CB1
2#6B8CAD
3#6F8CA9
4#738CA5
5#788CA1
6#7C8C9D
7#808C99
8#848C95
9#888C90

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F5F7
#F5F7FA
BackgroundsSubtle highlightsCard backgrounds
100
E7ED
#E7EDF4
Light backgroundsTable row hoverSkeleton loading
200
D2DE
#D2DEEA
Secondary backgroundsInput backgroundsDividers
300
AFC4
#AFC4D9
BordersInactive statesPlaceholder text
400
86A6
#86A6C6
Disabled statesSecondary iconsMuted text
500
638C
#638CB6
Primary brand colorCTAsActive elementsLinks
600
4870
#487099
Hover statesFocus ringsPrimary buttons hover
700
3959
#395979
Active/pressed statesDark mode accentsSecondary text
800
2940
#294057
Text on light backgroundsHeadingsStrong borders
900
1A29
#1A2937
Primary textHigh emphasis contentDark headings
950
101A
#101A23
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F5F7FA;
  --steel-blue-100: #E7EDF4;
  --steel-blue-200: #D2DEEA;
  --steel-blue-300: #AFC4D9;
  --steel-blue-400: #86A6C6;
  --steel-blue-500: #638CB6;
  --steel-blue-600: #487099;
  --steel-blue-700: #395979;
  --steel-blue-800: #294057;
  --steel-blue-900: #1A2937;
  --steel-blue-950: #101A23;
}
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