Cobalt

#1C5597

Blue

Color Codes

All color formats for development

HEX
#1C5597
RGB
rgb(28, 85, 151)
HSL
hsl(212, 69%, 35%)
OKLCH
oklch(0.449 0.123 254.8)
CMYK
cmyk(81%, 44%, 0%, 41%)

Accessibility

WCAG contrast compliance

On White Background

7.51:1

AA AAA

On Black Background

2.80:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F7
100
#E1EC
200
#C7DC
300
#9CC2
400
#68A2
500
#3D87
600
#236B
700
#1C55
800
#143D
900
#0D27
950
#0818

Shades

Darker variations

1#194D88
2#164479
3#133C6A
4#11335A
5#0E2B4B
6#0B223C
7#081A2D
8#06111E
9#03090F

Tints

Lighter variations

1#2165B3
2#2675CF
3#3B86DB
4#5797E0
5#73A8E5
6#8FBAEA
7#ABCBF0
8#C7DCF5
9#E3EEFA

Tones

Muted variations

1#225691
2#28568B
3#2E5684
4#34577E
5#3A5778
6#415872
7#47586C
8#4D5866
9#53595F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F7
#F2F7FD
BackgroundsSubtle highlightsCard backgrounds
100
E1EC
#E1ECF9
Light backgroundsTable row hoverSkeleton loading
200
C7DC
#C7DCF5
Secondary backgroundsInput backgroundsDividers
300
9CC2
#9CC2ED
BordersInactive statesPlaceholder text
400
68A2
#68A2E3
Disabled statesSecondary iconsMuted text
500
3D87
#3D87DB
Primary brand colorCTAsActive elementsLinks
600
236B
#236BBE
Hover statesFocus ringsPrimary buttons hover
700
1C55
#1C5597
Active/pressed statesDark mode accentsSecondary text
800
143D
#143D6C
Text on light backgroundsHeadingsStrong borders
900
0D27
#0D2745
Primary textHigh emphasis contentDark headings
950
0818
#08182B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F7FD;
  --cobalt-100: #E1ECF9;
  --cobalt-200: #C7DCF5;
  --cobalt-300: #9CC2ED;
  --cobalt-400: #68A2E3;
  --cobalt-500: #3D87DB;
  --cobalt-600: #236BBE;
  --cobalt-700: #1C5597;
  --cobalt-800: #143D6C;
  --cobalt-900: #0D2745;
  --cobalt-950: #08182B;
}
Generate More ShadesCreate PaletteConvert Color