Cobalt

#1B51C5

Blue

Color Codes

All color formats for development

HEX
#1B51C5
RGB
rgb(27, 81, 197)
HSL
hsl(221, 76%, 44%)
OKLCH
oklch(0.476 0.19 262.7)
CMYK
cmyk(86%, 59%, 0%, 23%)

Accessibility

WCAG contrast compliance

On White Background

6.93:1

AA AAA

On Black Background

3.03:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E0E8
200
#C5D5
300
#98B4
400
#628D
500
#356C
600
#1B51
700
#1540
800
#0F2E
900
#0A1D
950
#0612

Shades

Darker variations

1#1849B2
2#16419E
3#13398A
4#103176
5#0D2863
6#0B204F
7#08183B
8#051027
9#030814

Tints

Lighter variations

1#1E5BDF
2#366DE4
3#4F7FE7
4#6891EA
5#81A4EE
6#9AB6F1
7#B4C8F5
8#CDDAF8
9#E6EDFC

Tones

Muted variations

1#2354BD
2#2C57B4
3#355AAC
4#3D5DA3
5#46619B
6#4E6492
7#57678A
8#5F6A81
9#686D79

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FD
BackgroundsSubtle highlightsCard backgrounds
100
E0E8
#E0E8FB
Light backgroundsTable row hoverSkeleton loading
200
C5D5
#C5D5F7
Secondary backgroundsInput backgroundsDividers
300
98B4
#98B4F1
BordersInactive statesPlaceholder text
400
628D
#628DEA
Disabled statesSecondary iconsMuted text
500
356C
#356CE3
Primary brand colorCTAsActive elementsLinks
600
1B51
#1B51C5
Hover statesFocus ringsPrimary buttons hover
700
1540
#15409D
Active/pressed statesDark mode accentsSecondary text
800
0F2E
#0F2E70
Text on light backgroundsHeadingsStrong borders
900
0A1D
#0A1D48
Primary textHigh emphasis contentDark headings
950
0612
#06122D
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F5FD;
  --cobalt-100: #E0E8FB;
  --cobalt-200: #C5D5F7;
  --cobalt-300: #98B4F1;
  --cobalt-400: #628DEA;
  --cobalt-500: #356CE3;
  --cobalt-600: #1B51C5;
  --cobalt-700: #15409D;
  --cobalt-800: #0F2E70;
  --cobalt-900: #0A1D48;
  --cobalt-950: #06122D;
}
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