Cobalt

#2438BC

Blue

Color Codes

All color formats for development

HEX
#2438BC
RGB
rgb(36, 56, 188)
HSL
hsl(232, 68%, 44%)
OKLCH
oklch(0.425 0.205 268.3)
CMYK
cmyk(81%, 70%, 0%, 26%)

Accessibility

WCAG contrast compliance

On White Background

8.87:1

AA AAA

On Black Background

2.37:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F4
100
#E1E4
200
#C7CD
300
#9CA7
400
#6979
500
#3E53
600
#2438
700
#1D2D
800
#1420
900
#0D14
950
#080D

Shades

Darker variations

1#2033AA
2#1D2D97
3#192784
4#162271
5#121C5E
6#0E164B
7#0B1139
8#070B26
9#040613

Tints

Lighter variations

1#283FD4
2#3F54DA
3#5769DF
4#6F7FE4
5#8794E8
6#9FA9ED
7#B7BFF1
8#CFD4F6
9#E7EAFA

Tones

Muted variations

1#2C3EB5
2#3343AD
3#3B49A6
4#424F9E
5#4A5496
6#525A8F
7#595F87
8#61657F
9#696B78

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F4
#F2F4FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E4
#E1E4F9
Light backgroundsTable row hoverSkeleton loading
200
C7CD
#C7CDF4
Secondary backgroundsInput backgroundsDividers
300
9CA7
#9CA7EC
BordersInactive statesPlaceholder text
400
6979
#6979E2
Disabled statesSecondary iconsMuted text
500
3E53
#3E53DA
Primary brand colorCTAsActive elementsLinks
600
2438
#2438BC
Hover statesFocus ringsPrimary buttons hover
700
1D2D
#1D2D96
Active/pressed statesDark mode accentsSecondary text
800
1420
#14206B
Text on light backgroundsHeadingsStrong borders
900
0D14
#0D1445
Primary textHigh emphasis contentDark headings
950
080D
#080D2B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F4FD;
  --cobalt-100: #E1E4F9;
  --cobalt-200: #C7CDF4;
  --cobalt-300: #9CA7EC;
  --cobalt-400: #6979E2;
  --cobalt-500: #3E53DA;
  --cobalt-600: #2438BC;
  --cobalt-700: #1D2D96;
  --cobalt-800: #14206B;
  --cobalt-900: #0D1445;
  --cobalt-950: #080D2B;
}
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