Cobalt

#1B2998

Blue

Color Codes

All color formats for development

HEX
#1B2998
RGB
rgb(27, 41, 152)
HSL
hsl(233, 70%, 35%)
OKLCH
oklch(0.359 0.178 268.7)
CMYK
cmyk(82%, 73%, 0%, 40%)

Accessibility

WCAG contrast compliance

On White Background

11.56:1

AA AAA

On Black Background

1.82:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F3
100
#E1E4
200
#C7CC
300
#9BA5
400
#6776
500
#3C4F
600
#2234
700
#1B29
800
#131E
900
#0C13
950
#080C

Shades

Darker variations

1#182589
2#152179
3#131D6A
4#10195B
5#0D154C
6#0B113D
7#080C2E
8#05081E
9#03040F

Tints

Lighter variations

1#2031B4
2#2539D0
3#3A4DDC
4#5666E1
5#7280E6
6#8E99EB
7#AAB3F0
8#C7CCF5
9#E3E6FA

Tones

Muted variations

1#212E91
2#27338B
3#2E3885
4#343D7F
5#3A4178
6#404672
7#474B6C
8#4D5066
9#53545F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F3
#F2F3FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E4
#E1E4FA
Light backgroundsTable row hoverSkeleton loading
200
C7CC
#C7CCF5
Secondary backgroundsInput backgroundsDividers
300
9BA5
#9BA5ED
BordersInactive statesPlaceholder text
400
6776
#6776E4
Disabled statesSecondary iconsMuted text
500
3C4F
#3C4FDD
Primary brand colorCTAsActive elementsLinks
600
2234
#2234BF
Hover statesFocus ringsPrimary buttons hover
700
1B29
#1B2998
Active/pressed statesDark mode accentsSecondary text
800
131E
#131E6C
Text on light backgroundsHeadingsStrong borders
900
0C13
#0C1345
Primary textHigh emphasis contentDark headings
950
080C
#080C2B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F3FD;
  --cobalt-100: #E1E4FA;
  --cobalt-200: #C7CCF5;
  --cobalt-300: #9BA5ED;
  --cobalt-400: #6776E4;
  --cobalt-500: #3C4FDD;
  --cobalt-600: #2234BF;
  --cobalt-700: #1B2998;
  --cobalt-800: #131E6C;
  --cobalt-900: #0C1345;
  --cobalt-950: #080C2B;
}
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