Cobalt

#2A5389

Blue

Color Codes

All color formats for development

HEX
#2A5389
RGB
rgb(42, 83, 137)
HSL
hsl(214, 53%, 35%)
OKLCH
oklch(0.44 0.101 256.1)
CMYK
cmyk(69%, 39%, 0%, 46%)

Accessibility

WCAG contrast compliance

On White Background

7.79:1

AA AAA

On Black Background

2.70:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F7
100
#E4EC
200
#CCDC
300
#A5C0
400
#769F
500
#4F84
600
#3568
700
#2A53
800
#1E3B
900
#1326
950
#0C18

Shades

Darker variations

1#264B7B
2#22426D
3#1D3A60
4#193252
5#152944
6#112137
7#0D1929
8#08111B
9#04080E

Tints

Lighter variations

1#3262A2
2#3A72BB
3#4D83C8
4#6795D0
5#80A6D8
6#9AB8E0
7#B3CAE8
8#CCDCEF
9#E6EDF7

Tones

Muted variations

1#2F5484
2#33547F
3#38557A
4#3D5576
5#425671
6#46576C
7#4B5767
8#505863
9#55595E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F7
#F3F7FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EC
#E4ECF7
Light backgroundsTable row hoverSkeleton loading
200
CCDC
#CCDCEF
Secondary backgroundsInput backgroundsDividers
300
A5C0
#A5C0E3
BordersInactive statesPlaceholder text
400
769F
#769FD5
Disabled statesSecondary iconsMuted text
500
4F84
#4F84C9
Primary brand colorCTAsActive elementsLinks
600
3568
#3568AC
Hover statesFocus ringsPrimary buttons hover
700
2A53
#2A5389
Active/pressed statesDark mode accentsSecondary text
800
1E3B
#1E3B62
Text on light backgroundsHeadingsStrong borders
900
1326
#13263E
Primary textHigh emphasis contentDark headings
950
0C18
#0C1827
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F7FB;
  --cobalt-100: #E4ECF7;
  --cobalt-200: #CCDCEF;
  --cobalt-300: #A5C0E3;
  --cobalt-400: #769FD5;
  --cobalt-500: #4F84C9;
  --cobalt-600: #3568AC;
  --cobalt-700: #2A5389;
  --cobalt-800: #1E3B62;
  --cobalt-900: #13263E;
  --cobalt-950: #0C1827;
}
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