Cobalt

#154C9D

Blue

Color Codes

All color formats for development

HEX
#154C9D
RGB
rgb(21, 76, 157)
HSL
hsl(216, 76%, 35%)
OKLCH
oklch(0.431 0.144 258.9)
CMYK
cmyk(87%, 52%, 0%, 38%)

Accessibility

WCAG contrast compliance

On White Background

8.23:1

AA AAA

On Black Background

2.55:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F6
100
#E0EA
200
#C5D9
300
#98BB
400
#6298
500
#357B
600
#1B5F
700
#154C
800
#0F36
900
#0A23
950
#0616

Shades

Darker variations

1#13448D
2#113D7E
3#0F356E
4#0D2D5E
5#0B264F
6#091E3F
7#06172F
8#040F1F
9#020810

Tints

Lighter variations

1#195ABA
2#1D68D7
3#3379E3
4#508CE7
5#6DA0EB
6#8AB3EF
7#A7C6F3
8#C5D9F7
9#E2ECFB

Tones

Muted variations

1#1C4D96
2#234E90
3#2A5089
4#315182
5#37527B
6#3E5474
7#45556E
8#4C5767
9#525860

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F6
#F2F6FD
BackgroundsSubtle highlightsCard backgrounds
100
E0EA
#E0EAFB
Light backgroundsTable row hoverSkeleton loading
200
C5D9
#C5D9F7
Secondary backgroundsInput backgroundsDividers
300
98BB
#98BBF1
BordersInactive statesPlaceholder text
400
6298
#6298EA
Disabled statesSecondary iconsMuted text
500
357B
#357BE3
Primary brand colorCTAsActive elementsLinks
600
1B5F
#1B5FC5
Hover statesFocus ringsPrimary buttons hover
700
154C
#154C9D
Active/pressed statesDark mode accentsSecondary text
800
0F36
#0F3670
Text on light backgroundsHeadingsStrong borders
900
0A23
#0A2348
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: #E0EAFB;
  --cobalt-200: #C5D9F7;
  --cobalt-300: #98BBF1;
  --cobalt-400: #6298EA;
  --cobalt-500: #357BE3;
  --cobalt-600: #1B5FC5;
  --cobalt-700: #154C9D;
  --cobalt-800: #0F3670;
  --cobalt-900: #0A2348;
  --cobalt-950: #06162D;
}
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