Cobalt

#1B4D98

Blue

Color Codes

All color formats for development

HEX
#1B4D98
RGB
rgb(27, 77, 152)
HSL
hsl(216, 70%, 35%)
OKLCH
oklch(0.431 0.134 258.8)
CMYK
cmyk(82%, 49%, 0%, 40%)

Accessibility

WCAG contrast compliance

On White Background

8.20:1

AA AAA

On Black Background

2.56:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F6
100
#E1EB
200
#C7D9
300
#9BBC
400
#6799
500
#3C7C
600
#2260
700
#1B4D
800
#1337
900
#0C23
950
#0816

Shades

Darker variations

1#184589
2#153D79
3#13366A
4#102E5B
5#0D264C
6#0B1F3D
7#08172E
8#050F1E
9#03080F

Tints

Lighter variations

1#205BB4
2#2569D0
3#3A7BDC
4#568EE1
5#72A1E6
6#8EB3EB
7#AAC6F0
8#C7D9F5
9#E3ECFA

Tones

Muted variations

1#214E91
2#274F8B
3#2E5185
4#34527F
5#3A5378
6#405472
7#47566C
8#4D5766
9#53585F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F6
#F2F6FD
BackgroundsSubtle highlightsCard backgrounds
100
E1EB
#E1EBFA
Light backgroundsTable row hoverSkeleton loading
200
C7D9
#C7D9F5
Secondary backgroundsInput backgroundsDividers
300
9BBC
#9BBCED
BordersInactive statesPlaceholder text
400
6799
#6799E4
Disabled statesSecondary iconsMuted text
500
3C7C
#3C7CDD
Primary brand colorCTAsActive elementsLinks
600
2260
#2260BF
Hover statesFocus ringsPrimary buttons hover
700
1B4D
#1B4D98
Active/pressed statesDark mode accentsSecondary text
800
1337
#13376C
Text on light backgroundsHeadingsStrong borders
900
0C23
#0C2345
Primary textHigh emphasis contentDark headings
950
0816
#08162B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F6FD;
  --cobalt-100: #E1EBFA;
  --cobalt-200: #C7D9F5;
  --cobalt-300: #9BBCED;
  --cobalt-400: #6799E4;
  --cobalt-500: #3C7CDD;
  --cobalt-600: #2260BF;
  --cobalt-700: #1B4D98;
  --cobalt-800: #13376C;
  --cobalt-900: #0C2345;
  --cobalt-950: #08162B;
}
Generate More ShadesCreate PaletteConvert Color