Cobalt

#1B48C5

Blue

Color Codes

All color formats for development

HEX
#1B48C5
RGB
rgb(27, 72, 197)
HSL
hsl(224, 76%, 44%)
OKLCH
oklch(0.459 0.201 264.4)
CMYK
cmyk(86%, 63%, 0%, 23%)

Accessibility

WCAG contrast compliance

On White Background

7.55:1

AA AAA

On Black Background

2.78:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E0E7
200
#C5D2
300
#98B0
400
#6286
500
#3564
600
#1B48
700
#153A
800
#0F29
900
#0A1A
950
#0610

Shades

Darker variations

1#1841B2
2#163A9E
3#13338A
4#102B76
5#0D2463
6#0B1D4F
7#08163B
8#050E27
9#030714

Tints

Lighter variations

1#1E52DF
2#3664E4
3#4F78E7
4#688BEA
5#819EEE
6#9AB2F1
7#B4C5F5
8#CDD8F8
9#E6ECFC

Tones

Muted variations

1#234CBD
2#2C50B4
3#3554AC
4#3D58A3
5#465C9B
6#4E6092
7#57648A
8#5F6881
9#686C79

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FD
BackgroundsSubtle highlightsCard backgrounds
100
E0E7
#E0E7FB
Light backgroundsTable row hoverSkeleton loading
200
C5D2
#C5D2F7
Secondary backgroundsInput backgroundsDividers
300
98B0
#98B0F1
BordersInactive statesPlaceholder text
400
6286
#6286EA
Disabled statesSecondary iconsMuted text
500
3564
#3564E3
Primary brand colorCTAsActive elementsLinks
600
1B48
#1B48C5
Hover statesFocus ringsPrimary buttons hover
700
153A
#153A9D
Active/pressed statesDark mode accentsSecondary text
800
0F29
#0F2970
Text on light backgroundsHeadingsStrong borders
900
0A1A
#0A1A48
Primary textHigh emphasis contentDark headings
950
0610
#06102D
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F5FD;
  --cobalt-100: #E0E7FB;
  --cobalt-200: #C5D2F7;
  --cobalt-300: #98B0F1;
  --cobalt-400: #6286EA;
  --cobalt-500: #3564E3;
  --cobalt-600: #1B48C5;
  --cobalt-700: #153A9D;
  --cobalt-800: #0F2970;
  --cobalt-900: #0A1A48;
  --cobalt-950: #06102D;
}
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