Cobalt

#1C5997

Blue

Color Codes

All color formats for development

HEX
#1C5997
RGB
rgb(28, 89, 151)
HSL
hsl(210, 69%, 35%)
OKLCH
oklch(0.459 0.118 252.4)
CMYK
cmyk(81%, 41%, 0%, 41%)

Accessibility

WCAG contrast compliance

On White Background

7.18:1

AA AAA

On Black Background

2.93:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F7
100
#E1ED
200
#C7DE
300
#9CC4
400
#68A6
500
#3D8C
600
#2370
700
#1C59
800
#1440
900
#0D29
950
#081A

Shades

Darker variations

1#195088
2#164779
3#133E6A
4#11365A
5#0E2D4B
6#0B243C
7#081B2D
8#06121E
9#03090F

Tints

Lighter variations

1#216AB3
2#267ACF
3#3B8BDB
4#579CE0
5#73ACE5
6#8FBDEA
7#ABCDF0
8#C7DEF5
9#E3EEFA

Tones

Muted variations

1#225991
2#28598B
3#2E5984
4#34597E
5#3A5978
6#415972
7#47596C
8#4D5966
9#53595F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F7
#F2F7FD
BackgroundsSubtle highlightsCard backgrounds
100
E1ED
#E1EDF9
Light backgroundsTable row hoverSkeleton loading
200
C7DE
#C7DEF5
Secondary backgroundsInput backgroundsDividers
300
9CC4
#9CC4ED
BordersInactive statesPlaceholder text
400
68A6
#68A6E3
Disabled statesSecondary iconsMuted text
500
3D8C
#3D8CDB
Primary brand colorCTAsActive elementsLinks
600
2370
#2370BE
Hover statesFocus ringsPrimary buttons hover
700
1C59
#1C5997
Active/pressed statesDark mode accentsSecondary text
800
1440
#14406C
Text on light backgroundsHeadingsStrong borders
900
0D29
#0D2945
Primary textHigh emphasis contentDark headings
950
081A
#081A2B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F7FD;
  --cobalt-100: #E1EDF9;
  --cobalt-200: #C7DEF5;
  --cobalt-300: #9CC4ED;
  --cobalt-400: #68A6E3;
  --cobalt-500: #3D8CDB;
  --cobalt-600: #2370BE;
  --cobalt-700: #1C5997;
  --cobalt-800: #14406C;
  --cobalt-900: #0D2945;
  --cobalt-950: #081A2B;
}
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