Cobalt

#15699D

Blue

Color Codes

All color formats for development

HEX
#15699D
RGB
rgb(21, 105, 157)
HSL
hsl(203, 76%, 35%)
OKLCH
oklch(0.5 0.112 242.6)
CMYK
cmyk(87%, 33%, 0%, 38%)

Accessibility

WCAG contrast compliance

On White Background

5.93:1

AA AAA

On Black Background

3.54:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F9
100
#E0F0
200
#C5E4
300
#98CF
400
#62B6
500
#35A1
600
#1B84
700
#1569
800
#0F4B
900
#0A30
950
#061E

Shades

Darker variations

1#135F8D
2#11547E
3#0F4A6E
4#0D3F5E
5#0B354F
6#092A3F
7#06202F
8#04151F
9#020B10

Tints

Lighter variations

1#197DBA
2#1D90D7
3#33A0E3
4#50ADE7
5#6DBBEB
6#8AC8EF
7#A7D6F3
8#C5E4F7
9#E2F1FB

Tones

Muted variations

1#1C6796
2#236690
3#2A6489
4#316382
5#37617B
6#3E6074
7#455E6E
8#4C5C67
9#525B60

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F9
#F2F9FD
BackgroundsSubtle highlightsCard backgrounds
100
E0F0
#E0F0FB
Light backgroundsTable row hoverSkeleton loading
200
C5E4
#C5E4F7
Secondary backgroundsInput backgroundsDividers
300
98CF
#98CFF1
BordersInactive statesPlaceholder text
400
62B6
#62B6EA
Disabled statesSecondary iconsMuted text
500
35A1
#35A1E3
Primary brand colorCTAsActive elementsLinks
600
1B84
#1B84C5
Hover statesFocus ringsPrimary buttons hover
700
1569
#15699D
Active/pressed statesDark mode accentsSecondary text
800
0F4B
#0F4B70
Text on light backgroundsHeadingsStrong borders
900
0A30
#0A3048
Primary textHigh emphasis contentDark headings
950
061E
#061E2D
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F9FD;
  --cobalt-100: #E0F0FB;
  --cobalt-200: #C5E4F7;
  --cobalt-300: #98CFF1;
  --cobalt-400: #62B6EA;
  --cobalt-500: #35A1E3;
  --cobalt-600: #1B84C5;
  --cobalt-700: #15699D;
  --cobalt-800: #0F4B70;
  --cobalt-900: #0A3048;
  --cobalt-950: #061E2D;
}
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