Cobalt

#1F4E93

Blue

Color Codes

All color formats for development

HEX
#1F4E93
RGB
rgb(31, 78, 147)
HSL
hsl(216, 65%, 35%)
OKLCH
oklch(0.431 0.125 258.3)
CMYK
cmyk(79%, 47%, 0%, 42%)

Accessibility

WCAG contrast compliance

On White Background

8.17:1

AA AAA

On Black Background

2.57:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F6
100
#E2EB
200
#C8DA
300
#9EBD
400
#6C9A
500
#427D
600
#2762
700
#1F4E
800
#1637
900
#0E23
950
#0916

Shades

Darker variations

1#1C4685
2#193E76
3#163667
4#132F58
5#10274A
6#0C1F3B
7#09172C
8#06101D
9#03080F

Tints

Lighter variations

1#255CAF
2#2B6ACA
3#407CD6
4#5B8FDC
5#76A1E2
6#92B4E8
7#ADC7EE
8#C8DAF3
9#E4ECF9

Tones

Muted variations

1#254F8D
2#2B5088
3#315182
4#36527C
5#3C5376
6#425570
7#48566B
8#4E5765
9#53585F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F6
#F2F6FC
BackgroundsSubtle highlightsCard backgrounds
100
E2EB
#E2EBF9
Light backgroundsTable row hoverSkeleton loading
200
C8DA
#C8DAF3
Secondary backgroundsInput backgroundsDividers
300
9EBD
#9EBDEA
BordersInactive statesPlaceholder text
400
6C9A
#6C9AE0
Disabled statesSecondary iconsMuted text
500
427D
#427DD7
Primary brand colorCTAsActive elementsLinks
600
2762
#2762B9
Hover statesFocus ringsPrimary buttons hover
700
1F4E
#1F4E93
Active/pressed statesDark mode accentsSecondary text
800
1637
#163769
Text on light backgroundsHeadingsStrong borders
900
0E23
#0E2343
Primary textHigh emphasis contentDark headings
950
0916
#09162A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F6FC;
  --cobalt-100: #E2EBF9;
  --cobalt-200: #C8DAF3;
  --cobalt-300: #9EBDEA;
  --cobalt-400: #6C9AE0;
  --cobalt-500: #427DD7;
  --cobalt-600: #2762B9;
  --cobalt-700: #1F4E93;
  --cobalt-800: #163769;
  --cobalt-900: #0E2343;
  --cobalt-950: #09162A;
}
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