Cobalt

#2B4888

Blue

Color Codes

All color formats for development

HEX
#2B4888
RGB
rgb(43, 72, 136)
HSL
hsl(221, 52%, 35%)
OKLCH
oklch(0.415 0.112 263.9)
CMYK
cmyk(68%, 47%, 0%, 47%)

Accessibility

WCAG contrast compliance

On White Background

8.80:1

AA AAA

On Black Background

2.39:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F6
100
#E4EA
200
#CDD8
300
#A6B9
400
#7795
500
#5176
600
#365B
700
#2B48
800
#1F34
900
#1421
950
#0C15

Shades

Darker variations

1#27417A
2#223A6D
3#1E335F
4#1A2B51
5#152444
6#111D36
7#0D1629
8#090E1B
9#04070E

Tints

Lighter variations

1#3356A1
2#3B63BA
3#4F75C7
4#6889CF
5#819CD7
6#9AB0DF
7#B3C4E7
8#CDD8EF
9#E6EBF7

Tones

Muted variations

1#2F4A83
2#344C7E
3#394D7A
4#3D4F75
5#425170
6#47526C
7#4B5467
8#505663
9#55585E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F6
#F3F6FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EA
#E4EAF6
Light backgroundsTable row hoverSkeleton loading
200
CDD8
#CDD8EF
Secondary backgroundsInput backgroundsDividers
300
A6B9
#A6B9E3
BordersInactive statesPlaceholder text
400
7795
#7795D4
Disabled statesSecondary iconsMuted text
500
5176
#5176C8
Primary brand colorCTAsActive elementsLinks
600
365B
#365BAB
Hover statesFocus ringsPrimary buttons hover
700
2B48
#2B4888
Active/pressed statesDark mode accentsSecondary text
800
1F34
#1F3461
Text on light backgroundsHeadingsStrong borders
900
1421
#14213E
Primary textHigh emphasis contentDark headings
950
0C15
#0C1527
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F6FB;
  --cobalt-100: #E4EAF6;
  --cobalt-200: #CDD8EF;
  --cobalt-300: #A6B9E3;
  --cobalt-400: #7795D4;
  --cobalt-500: #5176C8;
  --cobalt-600: #365BAB;
  --cobalt-700: #2B4888;
  --cobalt-800: #1F3461;
  --cobalt-900: #14213E;
  --cobalt-950: #0C1527;
}
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