Cobalt

#1D3F96

Blue

Color Codes

All color formats for development

HEX
#1D3F96
RGB
rgb(29, 63, 150)
HSL
hsl(223, 68%, 35%)
OKLCH
oklch(0.4 0.149 264.4)
CMYK
cmyk(81%, 58%, 0%, 41%)

Accessibility

WCAG contrast compliance

On White Background

9.53:1

AA AAA

On Black Background

2.20:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E1E8
200
#C7D4
300
#9CB3
400
#698B
500
#3E6A
600
#244F
700
#1D3F
800
#142D
900
#0D1D
950
#0812

Shades

Darker variations

1#1A3987
2#173278
3#142C69
4#11265A
5#0E1F4B
6#0B193C
7#09132D
8#060D1E
9#03060F

Tints

Lighter variations

1#224BB2
2#2756CE
3#3C69DA
4#587EDF
5#7494E4
6#90A9EA
7#ABBFEF
8#C7D4F4
9#E3EAFA

Tones

Muted variations

1#234290
2#29448A
3#2F4784
4#35497E
5#3B4C78
6#414F72
7#47516B
8#4D5465
9#53575F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E8
#E1E8F9
Light backgroundsTable row hoverSkeleton loading
200
C7D4
#C7D4F4
Secondary backgroundsInput backgroundsDividers
300
9CB3
#9CB3EC
BordersInactive statesPlaceholder text
400
698B
#698BE2
Disabled statesSecondary iconsMuted text
500
3E6A
#3E6ADA
Primary brand colorCTAsActive elementsLinks
600
244F
#244FBC
Hover statesFocus ringsPrimary buttons hover
700
1D3F
#1D3F96
Active/pressed statesDark mode accentsSecondary text
800
142D
#142D6B
Text on light backgroundsHeadingsStrong borders
900
0D1D
#0D1D45
Primary textHigh emphasis contentDark headings
950
0812
#08122B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F5FD;
  --cobalt-100: #E1E8F9;
  --cobalt-200: #C7D4F4;
  --cobalt-300: #9CB3EC;
  --cobalt-400: #698BE2;
  --cobalt-500: #3E6ADA;
  --cobalt-600: #244FBC;
  --cobalt-700: #1D3F96;
  --cobalt-800: #142D6B;
  --cobalt-900: #0D1D45;
  --cobalt-950: #08122B;
}
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