Cobalt

#1C2897

Blue

Color Codes

All color formats for development

HEX
#1C2897
RGB
rgb(28, 40, 151)
HSL
hsl(234, 69%, 35%)
OKLCH
oklch(0.357 0.178 269.2)
CMYK
cmyk(81%, 74%, 0%, 41%)

Accessibility

WCAG contrast compliance

On White Background

11.67:1

AA AAA

On Black Background

1.80:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F3
100
#E1E3
200
#C7CC
300
#9CA4
400
#6874
500
#3D4D
600
#2332
700
#1C28
800
#141D
900
#0D12
950
#080B

Shades

Darker variations

1#192488
2#162079
3#131C6A
4#11185A
5#0E144B
6#0B103C
7#080C2D
8#06081E
9#03040F

Tints

Lighter variations

1#212FB3
2#2637CF
3#3B4BDB
4#5765E0
5#737EE5
6#8F98EA
7#ABB2F0
8#C7CCF5
9#E3E5FA

Tones

Muted variations

1#222D91
2#28328B
3#2E3784
4#343C7E
5#3A4178
6#414672
7#474A6C
8#4D4F66
9#53545F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F3
#F2F3FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E3
#E1E3F9
Light backgroundsTable row hoverSkeleton loading
200
C7CC
#C7CCF5
Secondary backgroundsInput backgroundsDividers
300
9CA4
#9CA4ED
BordersInactive statesPlaceholder text
400
6874
#6874E3
Disabled statesSecondary iconsMuted text
500
3D4D
#3D4DDB
Primary brand colorCTAsActive elementsLinks
600
2332
#2332BE
Hover statesFocus ringsPrimary buttons hover
700
1C28
#1C2897
Active/pressed statesDark mode accentsSecondary text
800
141D
#141D6C
Text on light backgroundsHeadingsStrong borders
900
0D12
#0D1245
Primary textHigh emphasis contentDark headings
950
080B
#080B2B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F3FD;
  --cobalt-100: #E1E3F9;
  --cobalt-200: #C7CCF5;
  --cobalt-300: #9CA4ED;
  --cobalt-400: #6874E3;
  --cobalt-500: #3D4DDB;
  --cobalt-600: #2332BE;
  --cobalt-700: #1C2897;
  --cobalt-800: #141D6C;
  --cobalt-900: #0D1245;
  --cobalt-950: #080B2B;
}
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