Cobalt

#1D5795

Blue

Color Codes

All color formats for development

HEX
#1D5795
RGB
rgb(29, 87, 149)
HSL
hsl(211, 67%, 35%)
OKLCH
oklch(0.453 0.117 253.2)
CMYK
cmyk(81%, 42%, 0%, 42%)

Accessibility

WCAG contrast compliance

On White Background

7.37:1

AA AAA

On Black Background

2.85:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F7
100
#E1ED
200
#C8DD
300
#9DC3
400
#6AA4
500
#3F8A
600
#256E
700
#1D57
800
#153E
900
#0D28
950
#0819

Shades

Darker variations

1#1B4F86
2#184677
3#153D68
4#123459
5#0F2C4B
6#0C233C
7#091A2D
8#06111E
9#03090F

Tints

Lighter variations

1#2367B1
2#2878CC
3#3D88D9
4#5999DE
5#75AAE4
6#90BBE9
7#ACCCEF
8#C8DDF4
9#E3EEFA

Tones

Muted variations

1#23578F
2#295889
3#2F5883
4#35587D
5#3B5877
6#415871
7#47596B
8#4D5965
9#53595F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F7
#F2F7FC
BackgroundsSubtle highlightsCard backgrounds
100
E1ED
#E1EDF9
Light backgroundsTable row hoverSkeleton loading
200
C8DD
#C8DDF4
Secondary backgroundsInput backgroundsDividers
300
9DC3
#9DC3EC
BordersInactive statesPlaceholder text
400
6AA4
#6AA4E2
Disabled statesSecondary iconsMuted text
500
3F8A
#3F8AD9
Primary brand colorCTAsActive elementsLinks
600
256E
#256EBB
Hover statesFocus ringsPrimary buttons hover
700
1D57
#1D5795
Active/pressed statesDark mode accentsSecondary text
800
153E
#153E6A
Text on light backgroundsHeadingsStrong borders
900
0D28
#0D2844
Primary textHigh emphasis contentDark headings
950
0819
#08192B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F7FC;
  --cobalt-100: #E1EDF9;
  --cobalt-200: #C8DDF4;
  --cobalt-300: #9DC3EC;
  --cobalt-400: #6AA4E2;
  --cobalt-500: #3F8AD9;
  --cobalt-600: #256EBB;
  --cobalt-700: #1D5795;
  --cobalt-800: #153E6A;
  --cobalt-900: #0D2844;
  --cobalt-950: #08192B;
}
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