Cobalt

#274CB9

Blue

Color Codes

All color formats for development

HEX
#274CB9
RGB
rgb(39, 76, 185)
HSL
hsl(225, 65%, 44%)
OKLCH
oklch(0.46 0.177 265.5)
CMYK
cmyk(79%, 59%, 0%, 27%)

Accessibility

WCAG contrast compliance

On White Background

7.45:1

AA AAA

On Black Background

2.82:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E2E7
200
#C8D3
300
#9EB1
400
#6C89
500
#4267
600
#274C
700
#1F3C
800
#162B
900
#0E1C
950
#0911

Shades

Darker variations

1#2344A7
2#1F3D94
3#1B3582
4#182D6F
5#14265D
6#101E4A
7#0C1738
8#080F25
9#040813

Tints

Lighter variations

1#2C55D1
2#4368D7
3#5A7BDC
4#728DE1
5#89A0E6
6#A1B3EB
7#B8C6F0
8#D0D9F5
9#E7ECFA

Tones

Muted variations

1#2F4FB2
2#3653AB
3#3D57A3
4#445A9C
5#4C5E95
6#53628D
7#5A6586
8#62697F
9#696D77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E7
#E2E7F9
Light backgroundsTable row hoverSkeleton loading
200
C8D3
#C8D3F3
Secondary backgroundsInput backgroundsDividers
300
9EB1
#9EB1EA
BordersInactive statesPlaceholder text
400
6C89
#6C89E0
Disabled statesSecondary iconsMuted text
500
4267
#4267D7
Primary brand colorCTAsActive elementsLinks
600
274C
#274CB9
Hover statesFocus ringsPrimary buttons hover
700
1F3C
#1F3C93
Active/pressed statesDark mode accentsSecondary text
800
162B
#162B69
Text on light backgroundsHeadingsStrong borders
900
0E1C
#0E1C43
Primary textHigh emphasis contentDark headings
950
0911
#09112A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F5FC;
  --cobalt-100: #E2E7F9;
  --cobalt-200: #C8D3F3;
  --cobalt-300: #9EB1EA;
  --cobalt-400: #6C89E0;
  --cobalt-500: #4267D7;
  --cobalt-600: #274CB9;
  --cobalt-700: #1F3C93;
  --cobalt-800: #162B69;
  --cobalt-900: #0E1C43;
  --cobalt-950: #09112A;
}
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