Cobalt

#2B5088

Blue

Color Codes

All color formats for development

HEX
#2B5088
RGB
rgb(43, 80, 136)
HSL
hsl(216, 52%, 35%)
OKLCH
oklch(0.433 0.102 258.5)
CMYK
cmyk(68%, 41%, 0%, 47%)

Accessibility

WCAG contrast compliance

On White Background

8.06:1

AA AAA

On Black Background

2.61:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F7
100
#E4EB
200
#CDDA
300
#A6BE
400
#779C
500
#5180
600
#3665
700
#2B50
800
#1F39
900
#1425
950
#0C17

Shades

Darker variations

1#27487A
2#22406D
3#1E385F
4#1A3051
5#152844
6#112036
7#0D1829
8#09101B
9#04080E

Tints

Lighter variations

1#335FA1
2#3B6EBA
3#4F7FC7
4#6891CF
5#81A4D7
6#9AB6DF
7#B3C8E7
8#CDDAEF
9#E6EDF7

Tones

Muted variations

1#2F5183
2#34527E
3#39537A
4#3D5475
5#425570
6#47566C
7#4B5667
8#505763
9#55585E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F7
#F3F7FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EB
#E4EBF6
Light backgroundsTable row hoverSkeleton loading
200
CDDA
#CDDAEF
Secondary backgroundsInput backgroundsDividers
300
A6BE
#A6BEE3
BordersInactive statesPlaceholder text
400
779C
#779CD4
Disabled statesSecondary iconsMuted text
500
5180
#5180C8
Primary brand colorCTAsActive elementsLinks
600
3665
#3665AB
Hover statesFocus ringsPrimary buttons hover
700
2B50
#2B5088
Active/pressed statesDark mode accentsSecondary text
800
1F39
#1F3961
Text on light backgroundsHeadingsStrong borders
900
1425
#14253E
Primary textHigh emphasis contentDark headings
950
0C17
#0C1727
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F7FB;
  --cobalt-100: #E4EBF6;
  --cobalt-200: #CDDAEF;
  --cobalt-300: #A6BEE3;
  --cobalt-400: #779CD4;
  --cobalt-500: #5180C8;
  --cobalt-600: #3665AB;
  --cobalt-700: #2B5088;
  --cobalt-800: #1F3961;
  --cobalt-900: #14253E;
  --cobalt-950: #0C1727;
}
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