Cobalt

#2A5089

Blue

Color Codes

All color formats for development

HEX
#2A5089
RGB
rgb(42, 80, 137)
HSL
hsl(216, 53%, 35%)
OKLCH
oklch(0.433 0.104 258.4)
CMYK
cmyk(69%, 42%, 0%, 46%)

Accessibility

WCAG contrast compliance

On White Background

8.05:1

AA AAA

On Black Background

2.61:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F7
100
#E4EB
200
#CCDA
300
#A5BE
400
#769C
500
#4F80
600
#3564
700
#2A50
800
#1E39
900
#1324
950
#0C17

Shades

Darker variations

1#26487B
2#22406D
3#1D3860
4#193052
5#152844
6#112037
7#0D1829
8#08101B
9#04080E

Tints

Lighter variations

1#325FA2
2#3A6DBB
3#4D7FC8
4#6791D0
5#80A3D8
6#9AB6E0
7#B3C8E8
8#CCDAEF
9#E6EDF7

Tones

Muted variations

1#2F5184
2#33527F
3#38537A
4#3D5476
5#425571
6#46556C
7#4B5667
8#505763
9#55585E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F7
#F3F7FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EB
#E4EBF7
Light backgroundsTable row hoverSkeleton loading
200
CCDA
#CCDAEF
Secondary backgroundsInput backgroundsDividers
300
A5BE
#A5BEE3
BordersInactive statesPlaceholder text
400
769C
#769CD5
Disabled statesSecondary iconsMuted text
500
4F80
#4F80C9
Primary brand colorCTAsActive elementsLinks
600
3564
#3564AC
Hover statesFocus ringsPrimary buttons hover
700
2A50
#2A5089
Active/pressed statesDark mode accentsSecondary text
800
1E39
#1E3962
Text on light backgroundsHeadingsStrong borders
900
1324
#13243E
Primary textHigh emphasis contentDark headings
950
0C17
#0C1727
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F7FB;
  --cobalt-100: #E4EBF7;
  --cobalt-200: #CCDAEF;
  --cobalt-300: #A5BEE3;
  --cobalt-400: #769CD5;
  --cobalt-500: #4F80C9;
  --cobalt-600: #3564AC;
  --cobalt-700: #2A5089;
  --cobalt-800: #1E3962;
  --cobalt-900: #13243E;
  --cobalt-950: #0C1727;
}
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