Steel Blue

#639EB6

Blue

Color Codes

All color formats for development

HEX
#639EB6
RGB
rgb(99, 158, 182)
HSL
hsl(197, 36%, 55%)
OKLCH
oklch(0.668 0.071 225.8)
CMYK
cmyk(46%, 13%, 0%, 29%)

Accessibility

WCAG contrast compliance

On White Background

2.96:1

AA AAA

On Black Background

7.10:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F9
100
#E7F0
200
#D2E3
300
#AFCD
400
#86B4
500
#639E
600
#4882
700
#3967
800
#294A
900
#1A2F
950
#101D

Shades

Darker variations

1#5192AC
2#488299
3#3F7186
4#366172
5#2D515F
6#24414C
7#1B3139
8#122026
9#091013

Tints

Lighter variations

1#73A8BD
2#82B2C4
3#92BBCC
4#A1C5D3
5#B1CFDA
6#C1D8E2
7#D0E2E9
8#E0ECF0
9#EFF5F8

Tones

Muted variations

1#679CB1
2#6B9BAD
3#6F99A9
4#7397A5
5#7895A1
6#7C939D
7#809299
8#849095
9#888E90

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F5F9
#F5F9FA
BackgroundsSubtle highlightsCard backgrounds
100
E7F0
#E7F0F4
Light backgroundsTable row hoverSkeleton loading
200
D2E3
#D2E3EA
Secondary backgroundsInput backgroundsDividers
300
AFCD
#AFCDD9
BordersInactive statesPlaceholder text
400
86B4
#86B4C6
Disabled statesSecondary iconsMuted text
500
639E
#639EB6
Primary brand colorCTAsActive elementsLinks
600
4882
#488299
Hover statesFocus ringsPrimary buttons hover
700
3967
#396779
Active/pressed statesDark mode accentsSecondary text
800
294A
#294A57
Text on light backgroundsHeadingsStrong borders
900
1A2F
#1A2F37
Primary textHigh emphasis contentDark headings
950
101D
#101D23
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F5F9FA;
  --steel-blue-100: #E7F0F4;
  --steel-blue-200: #D2E3EA;
  --steel-blue-300: #AFCDD9;
  --steel-blue-400: #86B4C6;
  --steel-blue-500: #639EB6;
  --steel-blue-600: #488299;
  --steel-blue-700: #396779;
  --steel-blue-800: #294A57;
  --steel-blue-900: #1A2F37;
  --steel-blue-950: #101D23;
}
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