Cobalt

#2440BC

Blue

Color Codes

All color formats for development

HEX
#2440BC
RGB
rgb(36, 64, 188)
HSL
hsl(229, 68%, 44%)
OKLCH
oklch(0.439 0.196 267.2)
CMYK
cmyk(81%, 66%, 0%, 26%)

Accessibility

WCAG contrast compliance

On White Background

8.29:1

AA AAA

On Black Background

2.53:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F4
100
#E1E5
200
#C7D0
300
#9CAB
400
#697F
500
#3E5B
600
#2440
700
#1D33
800
#1424
900
#0D17
950
#080F

Shades

Darker variations

1#2039AA
2#1D3397
3#192D84
4#162671
5#12205E
6#0E1A4B
7#0B1339
8#070D26
9#040613

Tints

Lighter variations

1#2848D4
2#3F5CDA
3#5770DF
4#6F84E4
5#8799E8
6#9FADED
7#B7C2F1
8#CFD6F6
9#E7EBFA

Tones

Muted variations

1#2C45B5
2#334AAD
3#3B4EA6
4#42539E
5#4A5896
6#525D8F
7#596287
8#61677F
9#696B78

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F4
#F2F4FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E5
#E1E5F9
Light backgroundsTable row hoverSkeleton loading
200
C7D0
#C7D0F4
Secondary backgroundsInput backgroundsDividers
300
9CAB
#9CABEC
BordersInactive statesPlaceholder text
400
697F
#697FE2
Disabled statesSecondary iconsMuted text
500
3E5B
#3E5BDA
Primary brand colorCTAsActive elementsLinks
600
2440
#2440BC
Hover statesFocus ringsPrimary buttons hover
700
1D33
#1D3396
Active/pressed statesDark mode accentsSecondary text
800
1424
#14246B
Text on light backgroundsHeadingsStrong borders
900
0D17
#0D1745
Primary textHigh emphasis contentDark headings
950
080F
#080F2B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F4FD;
  --cobalt-100: #E1E5F9;
  --cobalt-200: #C7D0F4;
  --cobalt-300: #9CABEC;
  --cobalt-400: #697FE2;
  --cobalt-500: #3E5BDA;
  --cobalt-600: #2440BC;
  --cobalt-700: #1D3396;
  --cobalt-800: #14246B;
  --cobalt-900: #0D1745;
  --cobalt-950: #080F2B;
}
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