Cobalt

#154E9D

Blue

Color Codes

All color formats for development

HEX
#154E9D
RGB
rgb(21, 78, 157)
HSL
hsl(215, 76%, 35%)
OKLCH
oklch(0.436 0.141 258.1)
CMYK
cmyk(87%, 50%, 0%, 38%)

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
#F2F6
100
#E0EB
200
#C5DA
300
#98BD
400
#629A
500
#357E
600
#1B62
700
#154E
800
#0F38
900
#0A24
950
#0616

Shades

Darker variations

1#13468D
2#113E7E
3#0F376E
4#0D2F5E
5#0B274F
6#091F3F
7#06172F
8#04101F
9#020810

Tints

Lighter variations

1#195CBA
2#1D6BD7
3#337CE3
4#508FE7
5#6DA2EB
6#8AB4EF
7#A7C7F3
8#C5DAF7
9#E2ECFB

Tones

Muted variations

1#1C4F96
2#235090
3#2A5189
4#315282
5#37547B
6#3E5574
7#45566E
8#4C5767
9#525860

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F6
#F2F6FD
BackgroundsSubtle highlightsCard backgrounds
100
E0EB
#E0EBFB
Light backgroundsTable row hoverSkeleton loading
200
C5DA
#C5DAF7
Secondary backgroundsInput backgroundsDividers
300
98BD
#98BDF1
BordersInactive statesPlaceholder text
400
629A
#629AEA
Disabled statesSecondary iconsMuted text
500
357E
#357EE3
Primary brand colorCTAsActive elementsLinks
600
1B62
#1B62C5
Hover statesFocus ringsPrimary buttons hover
700
154E
#154E9D
Active/pressed statesDark mode accentsSecondary text
800
0F38
#0F3870
Text on light backgroundsHeadingsStrong borders
900
0A24
#0A2448
Primary textHigh emphasis contentDark headings
950
0616
#06162D
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F6FD;
  --cobalt-100: #E0EBFB;
  --cobalt-200: #C5DAF7;
  --cobalt-300: #98BDF1;
  --cobalt-400: #629AEA;
  --cobalt-500: #357EE3;
  --cobalt-600: #1B62C5;
  --cobalt-700: #154E9D;
  --cobalt-800: #0F3870;
  --cobalt-900: #0A2448;
  --cobalt-950: #06162D;
}
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