Steel Blue

#3963A7

Blue

Color Codes

All color formats for development

HEX
#3963A7
RGB
rgb(57, 99, 167)
HSL
hsl(217, 49%, 44%)
OKLCH
oklch(0.503 0.119 259.6)
CMYK
cmyk(66%, 41%, 0%, 35%)

Accessibility

WCAG contrast compliance

On White Background

5.97:1

AA AAA

On Black Background

3.52:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F6
100
#E4EB
200
#CEDA
300
#A8BE
400
#7A9C
500
#547F
600
#3963
700
#2E4F
800
#2138
900
#1524
950
#0D17

Shades

Darker variations

1#335996
2#2E4F86
3#284675
4#223C64
5#1D3254
6#172843
7#111E32
8#0B1421
9#060A11

Tints

Lighter variations

1#4170BC
2#5580C5
3#6A90CC
4#7FA0D3
5#95AFDB
6#AABFE2
7#BFCFE9
8#D4DFF0
9#EAEFF8

Tones

Muted variations

1#3F65A2
2#44669C
3#4A6797
4#4F6991
5#556A8C
6#5A6B86
7#606C81
8#656E7B
9#6B6F76

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F6
#F4F6FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EB
#E4EBF6
Light backgroundsTable row hoverSkeleton loading
200
CEDA
#CEDAEE
Secondary backgroundsInput backgroundsDividers
300
A8BE
#A8BEE1
BordersInactive statesPlaceholder text
400
7A9C
#7A9CD1
Disabled statesSecondary iconsMuted text
500
547F
#547FC4
Primary brand colorCTAsActive elementsLinks
600
3963
#3963A7
Hover statesFocus ringsPrimary buttons hover
700
2E4F
#2E4F85
Active/pressed statesDark mode accentsSecondary text
800
2138
#21385F
Text on light backgroundsHeadingsStrong borders
900
1524
#15243D
Primary textHigh emphasis contentDark headings
950
0D17
#0D1726
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F4F6FB;
  --steel-blue-100: #E4EBF6;
  --steel-blue-200: #CEDAEE;
  --steel-blue-300: #A8BEE1;
  --steel-blue-400: #7A9CD1;
  --steel-blue-500: #547FC4;
  --steel-blue-600: #3963A7;
  --steel-blue-700: #2E4F85;
  --steel-blue-800: #21385F;
  --steel-blue-900: #15243D;
  --steel-blue-950: #0D1726;
}
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