Cobalt

#2C4D87

Blue

Color Codes

All color formats for development

HEX
#2C4D87
RGB
rgb(44, 77, 135)
HSL
hsl(218, 51%, 35%)
OKLCH
oklch(0.426 0.104 260.8)
CMYK
cmyk(67%, 43%, 0%, 47%)

Accessibility

WCAG contrast compliance

On White Background

8.34:1

AA AAA

On Black Background

2.52:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F6
100
#E4EB
200
#CDD9
300
#A6BC
400
#789A
500
#527D
600
#3761
700
#2C4D
800
#1F37
900
#1423
950
#0C16

Shades

Darker variations

1#274579
2#233E6C
3#1F365E
4#1A2E51
5#162743
6#111F36
7#0D1728
8#090F1B
9#04080D

Tints

Lighter variations

1#345BA0
2#3C6AB9
3#507BC6
4#698ECE
5#82A1D6
6#9BB4DF
7#B4C7E7
8#CDD9EF
9#E6ECF7

Tones

Muted variations

1#304E82
2#35507E
3#395179
4#3E5275
5#425370
6#47546B
7#4C5667
8#505762
9#55585E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F6
#F3F6FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EB
#E4EBF6
Light backgroundsTable row hoverSkeleton loading
200
CDD9
#CDD9EF
Secondary backgroundsInput backgroundsDividers
300
A6BC
#A6BCE2
BordersInactive statesPlaceholder text
400
789A
#789AD3
Disabled statesSecondary iconsMuted text
500
527D
#527DC7
Primary brand colorCTAsActive elementsLinks
600
3761
#3761A9
Hover statesFocus ringsPrimary buttons hover
700
2C4D
#2C4D87
Active/pressed statesDark mode accentsSecondary text
800
1F37
#1F3760
Text on light backgroundsHeadingsStrong borders
900
1423
#14233E
Primary textHigh emphasis contentDark headings
950
0C16
#0C1627
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F6FB;
  --cobalt-100: #E4EBF6;
  --cobalt-200: #CDD9EF;
  --cobalt-300: #A6BCE2;
  --cobalt-400: #789AD3;
  --cobalt-500: #527DC7;
  --cobalt-600: #3761A9;
  --cobalt-700: #2C4D87;
  --cobalt-800: #1F3760;
  --cobalt-900: #14233E;
  --cobalt-950: #0C1627;
}
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