Cobalt

#0921AA

Blue

Color Codes

All color formats for development

HEX
#0921AA
RGB
rgb(9, 33, 170)
HSL
hsl(231, 90%, 35%)
OKLCH
oklch(0.363 0.211 265.3)
CMYK
cmyk(95%, 81%, 0%, 33%)

Accessibility

WCAG contrast compliance

On White Background

11.60:1

AA AAA

On Black Background

1.81:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F3
100
#DDE2
200
#C0C9
300
#909F
400
#556E
500
#2544
600
#0B2A
700
#0921
800
#0618
900
#040F
950
#0309

Shades

Darker variations

1#081E99
2#071A88
3#061777
4#051466
5#041155
6#040D44
7#030A33
8#020722
9#010311

Tints

Lighter variations

1#0B27C9
2#0C2DE9
3#2342F3
4#425DF5
5#6278F7
6#8193F8
7#A1AEFA
8#C0C9FC
9#E0E4FD

Tones

Muted variations

1#1127A2
2#192C9A
3#213291
4#293889
5#313D81
6#394379
7#414871
8#494E69
9#515461

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F3
#F0F3FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE2
#DDE2FD
Light backgroundsTable row hoverSkeleton loading
200
C0C9
#C0C9FC
Secondary backgroundsInput backgroundsDividers
300
909F
#909FF9
BordersInactive statesPlaceholder text
400
556E
#556EF6
Disabled statesSecondary iconsMuted text
500
2544
#2544F4
Primary brand colorCTAsActive elementsLinks
600
0B2A
#0B2AD5
Hover statesFocus ringsPrimary buttons hover
700
0921
#0921AA
Active/pressed statesDark mode accentsSecondary text
800
0618
#061879
Text on light backgroundsHeadingsStrong borders
900
040F
#040F4E
Primary textHigh emphasis contentDark headings
950
0309
#030930
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F3FE;
  --cobalt-100: #DDE2FD;
  --cobalt-200: #C0C9FC;
  --cobalt-300: #909FF9;
  --cobalt-400: #556EF6;
  --cobalt-500: #2544F4;
  --cobalt-600: #0B2AD5;
  --cobalt-700: #0921AA;
  --cobalt-800: #061879;
  --cobalt-900: #040F4E;
  --cobalt-950: #030930;
}
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