Steel Blue

#404EA0

Blue

Color Codes

All color formats for development

HEX
#404EA0
RGB
rgb(64, 78, 160)
HSL
hsl(231, 43%, 44%)
OKLCH
oklch(0.457 0.133 272.8)
CMYK
cmyk(60%, 51%, 0%, 37%)

Accessibility

WCAG contrast compliance

On White Background

7.46:1

AA AAA

On Black Background

2.82:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F5
100
#E5E8
200
#D0D4
300
#ABB3
400
#7F8B
500
#5B6A
600
#404E
700
#333E
800
#242D
900
#171D
950
#0F12

Shades

Darker variations

1#3A4790
2#333F80
3#2D3770
4#262F60
5#202750
6#1A1F40
7#131830
8#0D1020
9#060810

Tints

Lighter variations

1#4858B5
2#5C6ABE
3#707DC6
4#8490CE
5#99A2D6
6#ADB5DE
7#C2C7E7
8#D6DAEF
9#EBECF7

Tones

Muted variations

1#45529C
2#4A5597
3#4E5992
4#535C8D
5#585F88
6#5D6383
7#62667F
8#67697A
9#6B6D75

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F5
#F4F5FB
BackgroundsSubtle highlightsCard backgrounds
100
E5E8
#E5E8F5
Light backgroundsTable row hoverSkeleton loading
200
D0D4
#D0D4EC
Secondary backgroundsInput backgroundsDividers
300
ABB3
#ABB3DE
BordersInactive statesPlaceholder text
400
7F8B
#7F8BCC
Disabled statesSecondary iconsMuted text
500
5B6A
#5B6ABE
Primary brand colorCTAsActive elementsLinks
600
404E
#404EA0
Hover statesFocus ringsPrimary buttons hover
700
333E
#333E80
Active/pressed statesDark mode accentsSecondary text
800
242D
#242D5B
Text on light backgroundsHeadingsStrong borders
900
171D
#171D3A
Primary textHigh emphasis contentDark headings
950
0F12
#0F1224
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F4F5FB;
  --steel-blue-100: #E5E8F5;
  --steel-blue-200: #D0D4EC;
  --steel-blue-300: #ABB3DE;
  --steel-blue-400: #7F8BCC;
  --steel-blue-500: #5B6ABE;
  --steel-blue-600: #404EA0;
  --steel-blue-700: #333E80;
  --steel-blue-800: #242D5B;
  --steel-blue-900: #171D3A;
  --steel-blue-950: #0F1224;
}
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