Steel Blue

#317FAF

Blue

Color Codes

All color formats for development

HEX
#317FAF
RGB
rgb(49, 127, 175)
HSL
hsl(203, 56%, 44%)
OKLCH
oklch(0.57 0.106 239.6)
CMYK
cmyk(72%, 27%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

4.39:1

AA AAA

On Black Background

4.79:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F8
100
#E3EF
200
#CBE2
300
#A4CC
400
#74B1
500
#4C9B
600
#317F
700
#2765
800
#1C48
900
#122E
950
#0B1D

Shades

Darker variations

1#2C729E
2#27658C
3#23597B
4#1E4C69
5#193F58
6#143346
7#0F2635
8#0A1923
9#050D12

Tints

Lighter variations

1#388FC5
2#4D9CCD
3#63A8D3
4#79B5D9
5#90C1E0
6#A6CDE6
7#BCDAEC
8#D2E6F2
9#E9F3F9

Tones

Muted variations

1#387DA9
2#3E7CA2
3#447A9C
4#4B7996
5#517890
6#577689
7#5D7583
8#64737D
9#6A7276

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F8
#F3F8FC
BackgroundsSubtle highlightsCard backgrounds
100
E3EF
#E3EFF7
Light backgroundsTable row hoverSkeleton loading
200
CBE2
#CBE2F0
Secondary backgroundsInput backgroundsDividers
300
A4CC
#A4CCE5
BordersInactive statesPlaceholder text
400
74B1
#74B1D8
Disabled statesSecondary iconsMuted text
500
4C9B
#4C9BCD
Primary brand colorCTAsActive elementsLinks
600
317F
#317FAF
Hover statesFocus ringsPrimary buttons hover
700
2765
#27658B
Active/pressed statesDark mode accentsSecondary text
800
1C48
#1C4863
Text on light backgroundsHeadingsStrong borders
900
122E
#122E40
Primary textHigh emphasis contentDark headings
950
0B1D
#0B1D28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F3F8FC;
  --steel-blue-100: #E3EFF7;
  --steel-blue-200: #CBE2F0;
  --steel-blue-300: #A4CCE5;
  --steel-blue-400: #74B1D8;
  --steel-blue-500: #4C9BCD;
  --steel-blue-600: #317FAF;
  --steel-blue-700: #27658B;
  --steel-blue-800: #1C4863;
  --steel-blue-900: #122E40;
  --steel-blue-950: #0B1D28;
}
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