Cobalt

#1543CB

Blue

Color Codes

All color formats for development

HEX
#1543CB
RGB
rgb(21, 67, 203)
HSL
hsl(225, 81%, 44%)
OKLCH
oklch(0.454 0.215 264.4)
CMYK
cmyk(90%, 67%, 0%, 20%)

Accessibility

WCAG contrast compliance

On White Background

7.79:1

AA AAA

On Black Background

2.70:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F4
100
#DFE6
200
#C3D0
300
#95AD
400
#5D82
500
#2F5E
600
#1543
700
#1135
800
#0C26
900
#0818
950
#050F

Shades

Darker variations

1#133CB7
2#1135A2
3#0F2F8E
4#0D287A
5#0B2166
6#091B51
7#06143D
8#040D29
9#020714

Tints

Lighter variations

1#184BE5
2#305EE9
3#4A73EC
4#6487EF
5#7E9BF1
6#98AFF4
7#B1C3F7
8#CBD7FA
9#E5EBFC

Tones

Muted variations

1#1E47C2
2#274CB9
3#3150B0
4#3A55A7
5#43599E
6#4C5E95
7#55638B
8#5E6782
9#676C79

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F4
#F1F4FE
BackgroundsSubtle highlightsCard backgrounds
100
DFE6
#DFE6FC
Light backgroundsTable row hoverSkeleton loading
200
C3D0
#C3D0F9
Secondary backgroundsInput backgroundsDividers
300
95AD
#95ADF4
BordersInactive statesPlaceholder text
400
5D82
#5D82EE
Disabled statesSecondary iconsMuted text
500
2F5E
#2F5EE9
Primary brand colorCTAsActive elementsLinks
600
1543
#1543CB
Hover statesFocus ringsPrimary buttons hover
700
1135
#1135A2
Active/pressed statesDark mode accentsSecondary text
800
0C26
#0C2673
Text on light backgroundsHeadingsStrong borders
900
0818
#08184A
Primary textHigh emphasis contentDark headings
950
050F
#050F2E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F4FE;
  --cobalt-100: #DFE6FC;
  --cobalt-200: #C3D0F9;
  --cobalt-300: #95ADF4;
  --cobalt-400: #5D82EE;
  --cobalt-500: #2F5EE9;
  --cobalt-600: #1543CB;
  --cobalt-700: #1135A2;
  --cobalt-800: #0C2673;
  --cobalt-900: #08184A;
  --cobalt-950: #050F2E;
}
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