Cobalt

#1B5B98

Blue

Color Codes

All color formats for development

HEX
#1B5B98
RGB
rgb(27, 91, 152)
HSL
hsl(209, 70%, 35%)
OKLCH
oklch(0.464 0.118 251.2)
CMYK
cmyk(82%, 40%, 0%, 40%)

Accessibility

WCAG contrast compliance

On White Background

7.01:1

AA AAA

On Black Background

3.00:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F8
100
#E1EE
200
#C7DF
300
#9BC6
400
#67A8
500
#3C8F
600
#2273
700
#1B5B
800
#1341
900
#0C2A
950
#081A

Shades

Darker variations

1#185289
2#154979
3#13406A
4#10375B
5#0D2E4C
6#0B253D
7#081B2E
8#05121E
9#03090F

Tints

Lighter variations

1#206CB4
2#257DD0
3#3A8EDC
4#569EE1
5#72AEE6
6#8EBEEB
7#AACEF0
8#C7DFF5
9#E3EFFA

Tones

Muted variations

1#215B91
2#275B8B
3#2E5B85
4#345A7F
5#3A5A78
6#405A72
7#475A6C
8#4D5A66
9#53595F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F8
#F2F8FD
BackgroundsSubtle highlightsCard backgrounds
100
E1EE
#E1EEFA
Light backgroundsTable row hoverSkeleton loading
200
C7DF
#C7DFF5
Secondary backgroundsInput backgroundsDividers
300
9BC6
#9BC6ED
BordersInactive statesPlaceholder text
400
67A8
#67A8E4
Disabled statesSecondary iconsMuted text
500
3C8F
#3C8FDD
Primary brand colorCTAsActive elementsLinks
600
2273
#2273BF
Hover statesFocus ringsPrimary buttons hover
700
1B5B
#1B5B98
Active/pressed statesDark mode accentsSecondary text
800
1341
#13416C
Text on light backgroundsHeadingsStrong borders
900
0C2A
#0C2A45
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: #F2F8FD;
  --cobalt-100: #E1EEFA;
  --cobalt-200: #C7DFF5;
  --cobalt-300: #9BC6ED;
  --cobalt-400: #67A8E4;
  --cobalt-500: #3C8FDD;
  --cobalt-600: #2273BF;
  --cobalt-700: #1B5B98;
  --cobalt-800: #13416C;
  --cobalt-900: #0C2A45;
  --cobalt-950: #081A2B;
}
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