Steel Blue

#639AB6

Blue

Color Codes

All color formats for development

HEX
#639AB6
RGB
rgb(99, 154, 182)
HSL
hsl(200, 36%, 55%)
OKLCH
oklch(0.659 0.071 231.5)
CMYK
cmyk(46%, 15%, 0%, 29%)

Accessibility

WCAG contrast compliance

On White Background

3.08:1

AA AAA

On Black Background

6.83:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F5F8
100
#E7EF
200
#D2E2
300
#AFCB
400
#86B0
500
#639A
600
#487E
700
#3964
800
#2947
900
#1A2E
950
#101D

Shades

Darker variations

1#518DAC
2#487E99
3#3F6E86
4#365E72
5#2D4F5F
6#243F4C
7#1B2F39
8#121F26
9#091013

Tints

Lighter variations

1#73A4BD
2#82AEC4
3#92B8CC
4#A1C2D3
5#B1CDDA
6#C1D7E2
7#D0E1E9
8#E0EBF0
9#EFF5F8

Tones

Muted variations

1#6799B1
2#6B97AD
3#6F96A9
4#7395A5
5#7893A1
6#7C929D
7#809099
8#848F95
9#888E90

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F5F8
#F5F8FA
BackgroundsSubtle highlightsCard backgrounds
100
E7EF
#E7EFF4
Light backgroundsTable row hoverSkeleton loading
200
D2E2
#D2E2EA
Secondary backgroundsInput backgroundsDividers
300
AFCB
#AFCBD9
BordersInactive statesPlaceholder text
400
86B0
#86B0C6
Disabled statesSecondary iconsMuted text
500
639A
#639AB6
Primary brand colorCTAsActive elementsLinks
600
487E
#487E99
Hover statesFocus ringsPrimary buttons hover
700
3964
#396479
Active/pressed statesDark mode accentsSecondary text
800
2947
#294757
Text on light backgroundsHeadingsStrong borders
900
1A2E
#1A2E37
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: #F5F8FA;
  --steel-blue-100: #E7EFF4;
  --steel-blue-200: #D2E2EA;
  --steel-blue-300: #AFCBD9;
  --steel-blue-400: #86B0C6;
  --steel-blue-500: #639AB6;
  --steel-blue-600: #487E99;
  --steel-blue-700: #396479;
  --steel-blue-800: #294757;
  --steel-blue-900: #1A2E37;
  --steel-blue-950: #101D23;
}
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