Cobalt

#2550BB

Blue

Color Codes

All color formats for development

HEX
#2550BB
RGB
rgb(37, 80, 187)
HSL
hsl(223, 67%, 44%)
OKLCH
oklch(0.469 0.176 264.1)
CMYK
cmyk(80%, 57%, 0%, 27%)

Accessibility

WCAG contrast compliance

On White Background

7.13:1

AA AAA

On Black Background

2.94:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E1E8
200
#C8D4
300
#9DB3
400
#6A8C
500
#3F6B
600
#2550
700
#1D3F
800
#152D
900
#0D1D
950
#0812

Shades

Darker variations

1#2148A9
2#1E4096
3#1A3883
4#163070
5#13285E
6#0F204B
7#0B1838
8#071025
9#040813

Tints

Lighter variations

1#2A5AD3
2#406CD9
3#587EDE
4#7090E3
5#88A3E7
6#A0B5EC
7#B7C8F1
8#CFDAF6
9#E7EDFA

Tones

Muted variations

1#2D53B4
2#3456AC
3#3C59A5
4#435D9D
5#4B6096
6#52638E
7#5A6687
8#616A7F
9#696D78

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E1E8
#E1E8F9
Light backgroundsTable row hoverSkeleton loading
200
C8D4
#C8D4F4
Secondary backgroundsInput backgroundsDividers
300
9DB3
#9DB3EC
BordersInactive statesPlaceholder text
400
6A8C
#6A8CE2
Disabled statesSecondary iconsMuted text
500
3F6B
#3F6BD9
Primary brand colorCTAsActive elementsLinks
600
2550
#2550BB
Hover statesFocus ringsPrimary buttons hover
700
1D3F
#1D3F95
Active/pressed statesDark mode accentsSecondary text
800
152D
#152D6A
Text on light backgroundsHeadingsStrong borders
900
0D1D
#0D1D44
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: #F2F5FC;
  --cobalt-100: #E1E8F9;
  --cobalt-200: #C8D4F4;
  --cobalt-300: #9DB3EC;
  --cobalt-400: #6A8CE2;
  --cobalt-500: #3F6BD9;
  --cobalt-600: #2550BB;
  --cobalt-700: #1D3F95;
  --cobalt-800: #152D6A;
  --cobalt-900: #0D1D44;
  --cobalt-950: #08122B;
}
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