Cobalt

#2A5589

Blue

Color Codes

All color formats for development

HEX
#2A5589
RGB
rgb(42, 85, 137)
HSL
hsl(213, 53%, 35%)
OKLCH
oklch(0.445 0.098 254.5)
CMYK
cmyk(69%, 38%, 0%, 46%)

Accessibility

WCAG contrast compliance

On White Background

7.61:1

AA AAA

On Black Background

2.76:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F7
100
#E4EC
200
#CCDC
300
#A5C1
400
#76A1
500
#4F86
600
#356A
700
#2A55
800
#1E3C
900
#1327
950
#0C18

Shades

Darker variations

1#264C7B
2#22446D
3#1D3B60
4#193352
5#152A44
6#112237
7#0D1929
8#08111B
9#04080E

Tints

Lighter variations

1#3264A2
2#3A74BB
3#4D85C8
4#6796D0
5#80A8D8
6#9AB9E0
7#B3CBE8
8#CCDCEF
9#E6EEF7

Tones

Muted variations

1#2F5584
2#33557F
3#38567A
4#3D5676
5#425771
6#46576C
7#4B5867
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
A5C1
#A5C1E3
BordersInactive statesPlaceholder text
400
76A1
#76A1D5
Disabled statesSecondary iconsMuted text
500
4F86
#4F86C9
Primary brand colorCTAsActive elementsLinks
600
356A
#356AAC
Hover statesFocus ringsPrimary buttons hover
700
2A55
#2A5589
Active/pressed statesDark mode accentsSecondary text
800
1E3C
#1E3C62
Text on light backgroundsHeadingsStrong borders
900
1327
#13273E
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: #A5C1E3;
  --cobalt-400: #76A1D5;
  --cobalt-500: #4F86C9;
  --cobalt-600: #356AAC;
  --cobalt-700: #2A5589;
  --cobalt-800: #1E3C62;
  --cobalt-900: #13273E;
  --cobalt-950: #0C1827;
}
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