Cobalt

#1D3D95

Blue

Color Codes

All color formats for development

HEX
#1D3D95
RGB
rgb(29, 61, 149)
HSL
hsl(224, 67%, 35%)
OKLCH
oklch(0.395 0.15 265)
CMYK
cmyk(81%, 59%, 0%, 42%)

Accessibility

WCAG contrast compliance

On White Background

9.75:1

AA AAA

On Black Background

2.15:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E1E8
200
#C8D3
300
#9DB2
400
#6A8A
500
#3F68
600
#254D
700
#1D3D
800
#152C
900
#0D1C
950
#0812

Shades

Darker variations

1#1B3786
2#183177
3#152B68
4#122559
5#0F1F4B
6#0C193C
7#09122D
8#060C1E
9#03060F

Tints

Lighter variations

1#2349B1
2#2854CC
3#3D67D9
4#597CDE
5#7592E4
6#90A8E9
7#ACBEEF
8#C8D3F4
9#E3E9FA

Tones

Muted variations

1#23408F
2#294389
3#2F4683
4#35497D
5#3B4B77
6#414E71
7#47516B
8#4D5465
9#53565F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E1E8
#E1E8F9
Light backgroundsTable row hoverSkeleton loading
200
C8D3
#C8D3F4
Secondary backgroundsInput backgroundsDividers
300
9DB2
#9DB2EC
BordersInactive statesPlaceholder text
400
6A8A
#6A8AE2
Disabled statesSecondary iconsMuted text
500
3F68
#3F68D9
Primary brand colorCTAsActive elementsLinks
600
254D
#254DBB
Hover statesFocus ringsPrimary buttons hover
700
1D3D
#1D3D95
Active/pressed statesDark mode accentsSecondary text
800
152C
#152C6A
Text on light backgroundsHeadingsStrong borders
900
0D1C
#0D1C44
Primary textHigh emphasis contentDark headings
950
0812
#08122B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F5FC;
  --cobalt-100: #E1E8F9;
  --cobalt-200: #C8D3F4;
  --cobalt-300: #9DB2EC;
  --cobalt-400: #6A8AE2;
  --cobalt-500: #3F68D9;
  --cobalt-600: #254DBB;
  --cobalt-700: #1D3D95;
  --cobalt-800: #152C6A;
  --cobalt-900: #0D1C44;
  --cobalt-950: #08122B;
}
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