Cobalt

#2251BF

Blue

Color Codes

All color formats for development

HEX
#2251BF
RGB
rgb(34, 81, 191)
HSL
hsl(222, 70%, 44%)
OKLCH
oklch(0.473 0.18 263.5)
CMYK
cmyk(82%, 58%, 0%, 25%)

Accessibility

WCAG contrast compliance

On White Background

7.01:1

AA AAA

On Black Background

3.00:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E1E8
200
#C7D5
300
#9BB4
400
#678D
500
#3C6C
600
#2251
700
#1B40
800
#132E
900
#0C1D
950
#0812

Shades

Darker variations

1#1E49AC
2#1B4199
3#183986
4#143072
5#11285F
6#0D204C
7#0A1839
8#071026
9#030813

Tints

Lighter variations

1#265BD7
2#3D6DDD
3#557FE1
4#6D91E5
5#86A4EA
6#9EB6EE
7#B6C8F2
8#CEDAF6
9#E7EDFB

Tones

Muted variations

1#2A54B7
2#3157AF
3#395AA7
4#415D9F
5#496097
6#516490
7#596788
8#606A80
9#686D78

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E8
#E1E8FA
Light backgroundsTable row hoverSkeleton loading
200
C7D5
#C7D5F5
Secondary backgroundsInput backgroundsDividers
300
9BB4
#9BB4ED
BordersInactive statesPlaceholder text
400
678D
#678DE4
Disabled statesSecondary iconsMuted text
500
3C6C
#3C6CDD
Primary brand colorCTAsActive elementsLinks
600
2251
#2251BF
Hover statesFocus ringsPrimary buttons hover
700
1B40
#1B4098
Active/pressed statesDark mode accentsSecondary text
800
132E
#132E6C
Text on light backgroundsHeadingsStrong borders
900
0C1D
#0C1D45
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: #E1E8FA;
  --cobalt-200: #C7D5F5;
  --cobalt-300: #9BB4ED;
  --cobalt-400: #678DE4;
  --cobalt-500: #3C6CDD;
  --cobalt-600: #2251BF;
  --cobalt-700: #1B4098;
  --cobalt-800: #132E6C;
  --cobalt-900: #0C1D45;
  --cobalt-950: #08122B;
}
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