Cobalt

#151ECB

Blue

Color Codes

All color formats for development

HEX
#151ECB
RGB
rgb(21, 30, 203)
HSL
hsl(237, 81%, 44%)
OKLCH
oklch(0.404 0.248 266.6)
CMYK
cmyk(90%, 85%, 0%, 20%)

Accessibility

WCAG contrast compliance

On White Background

10.10:1

AA AAA

On Black Background

2.08:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F2
100
#DFE0
200
#C3C6
300
#959A
400
#5D65
500
#2F39
600
#151E
700
#1118
800
#0C11
900
#080B
950
#0507

Shades

Darker variations

1#131BB7
2#1118A2
3#0F158E
4#0D127A
5#0B0F66
6#090C51
7#06093D
8#040629
9#020314

Tints

Lighter variations

1#1822E5
2#3039E9
3#4A52EC
4#646BEF
5#7E84F1
6#989CF4
7#B1B5F7
8#CBCEFA
9#E5E6FC

Tones

Muted variations

1#1E27C2
2#272FB9
3#3137B0
4#3A3FA7
5#43479E
6#4C4F95
7#55588B
8#5E6082
9#676879

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F2
#F1F2FE
BackgroundsSubtle highlightsCard backgrounds
100
DFE0
#DFE0FC
Light backgroundsTable row hoverSkeleton loading
200
C3C6
#C3C6F9
Secondary backgroundsInput backgroundsDividers
300
959A
#959AF4
BordersInactive statesPlaceholder text
400
5D65
#5D65EE
Disabled statesSecondary iconsMuted text
500
2F39
#2F39E9
Primary brand colorCTAsActive elementsLinks
600
151E
#151ECB
Hover statesFocus ringsPrimary buttons hover
700
1118
#1118A2
Active/pressed statesDark mode accentsSecondary text
800
0C11
#0C1173
Text on light backgroundsHeadingsStrong borders
900
080B
#080B4A
Primary textHigh emphasis contentDark headings
950
0507
#05072E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F2FE;
  --cobalt-100: #DFE0FC;
  --cobalt-200: #C3C6F9;
  --cobalt-300: #959AF4;
  --cobalt-400: #5D65EE;
  --cobalt-500: #2F39E9;
  --cobalt-600: #151ECB;
  --cobalt-700: #1118A2;
  --cobalt-800: #0C1173;
  --cobalt-900: #080B4A;
  --cobalt-950: #05072E;
}
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