Steel Blue

#638BB6

Blue

Color Codes

All color formats for development

HEX
#638BB6
RGB
rgb(99, 139, 182)
HSL
hsl(211, 36%, 55%)
OKLCH
oklch(0.624 0.079 250.9)
CMYK
cmyk(46%, 24%, 0%, 29%)

Accessibility

WCAG contrast compliance

On White Background

3.56:1

AA AAA

On Black Background

5.90:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F7
100
#E7ED
200
#D2DD
300
#AFC4
400
#86A5
500
#638B
600
#486F
700
#3958
800
#293F
900
#1A28
950
#1019

Shades

Darker variations

1#517DAC
2#486F99
3#3F6186
4#365372
5#2D455F
6#24374C
7#1B2A39
8#121C26
9#090E13

Tints

Lighter variations

1#7396BD
2#82A2C4
3#92AECC
4#A1B9D3
5#B1C5DA
6#C1D1E2
7#D0DCE9
8#E0E8F0
9#EFF3F8

Tones

Muted variations

1#678BB1
2#6B8BAD
3#6F8BA9
4#738BA5
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
D2DD
#D2DDEA
Secondary backgroundsInput backgroundsDividers
300
AFC4
#AFC4D9
BordersInactive statesPlaceholder text
400
86A5
#86A5C6
Disabled statesSecondary iconsMuted text
500
638B
#638BB6
Primary brand colorCTAsActive elementsLinks
600
486F
#486F99
Hover statesFocus ringsPrimary buttons hover
700
3958
#395879
Active/pressed statesDark mode accentsSecondary text
800
293F
#293F57
Text on light backgroundsHeadingsStrong borders
900
1A28
#1A2837
Primary textHigh emphasis contentDark headings
950
1019
#101923
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: #D2DDEA;
  --steel-blue-300: #AFC4D9;
  --steel-blue-400: #86A5C6;
  --steel-blue-500: #638BB6;
  --steel-blue-600: #486F99;
  --steel-blue-700: #395879;
  --steel-blue-800: #293F57;
  --steel-blue-900: #1A2837;
  --steel-blue-950: #101923;
}
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