Steel Blue

#308CB0

Blue

Color Codes

All color formats for development

HEX
#308CB0
RGB
rgb(48, 140, 176)
HSL
hsl(197, 57%, 44%)
OKLCH
oklch(0.602 0.1 228.3)
CMYK
cmyk(73%, 20%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

3.82:1

AA AAA

On Black Background

5.50:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F9
100
#E3F2
200
#CBE6
300
#A3D3
400
#73BC
500
#4BA9
600
#308C
700
#266F
800
#1B4F
900
#1233
950
#0B20

Shades

Darker variations

1#2B7E9F
2#27708D
3#22627B
4#1D546A
5#184658
6#133846
7#0E2A35
8#0A1C23
9#050E12

Tints

Lighter variations

1#369EC7
2#4CA9CE
3#62B4D4
4#78BEDA
5#8FC9E0
6#A5D4E6
7#BCDFED
8#D2E9F3
9#E9F4F9

Tones

Muted variations

1#3789AA
2#3D86A3
3#43849D
4#4A8197
5#507E90
6#577B8A
7#5D7983
8#63767D
9#6A7377

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F9
#F3F9FC
BackgroundsSubtle highlightsCard backgrounds
100
E3F2
#E3F2F7
Light backgroundsTable row hoverSkeleton loading
200
CBE6
#CBE6F1
Secondary backgroundsInput backgroundsDividers
300
A3D3
#A3D3E6
BordersInactive statesPlaceholder text
400
73BC
#73BCD9
Disabled statesSecondary iconsMuted text
500
4BA9
#4BA9CE
Primary brand colorCTAsActive elementsLinks
600
308C
#308CB0
Hover statesFocus ringsPrimary buttons hover
700
266F
#266F8C
Active/pressed statesDark mode accentsSecondary text
800
1B4F
#1B4F64
Text on light backgroundsHeadingsStrong borders
900
1233
#123340
Primary textHigh emphasis contentDark headings
950
0B20
#0B2028
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F3F9FC;
  --steel-blue-100: #E3F2F7;
  --steel-blue-200: #CBE6F1;
  --steel-blue-300: #A3D3E6;
  --steel-blue-400: #73BCD9;
  --steel-blue-500: #4BA9CE;
  --steel-blue-600: #308CB0;
  --steel-blue-700: #266F8C;
  --steel-blue-800: #1B4F64;
  --steel-blue-900: #123340;
  --steel-blue-950: #0B2028;
}
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