Cobalt

#2528BB

Blue

Color Codes

All color formats for development

HEX
#2528BB
RGB
rgb(37, 40, 187)
HSL
hsl(239, 67%, 44%)
OKLCH
oklch(0.402 0.219 270.2)
CMYK
cmyk(80%, 79%, 0%, 27%)

Accessibility

WCAG contrast compliance

On White Background

10.00:1

AA AAA

On Black Background

2.10:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F2
100
#E1E2
200
#C8C8
300
#9D9E
400
#6A6C
500
#3F42
600
#2528
700
#1D1F
800
#1516
900
#0D0E
950
#0809

Shades

Darker variations

1#2124A9
2#1E2096
3#1A1C83
4#161870
5#13145E
6#0F104B
7#0B0C38
8#070825
9#040413

Tints

Lighter variations

1#2A2DD3
2#4043D9
3#585ADE
4#7072E3
5#8889E7
6#A0A1EC
7#B7B8F1
8#CFD0F6
9#E7E7FA

Tones

Muted variations

1#2D2FB4
2#3436AC
3#3C3DA5
4#43459D
5#4B4C96
6#52538E
7#5A5A87
8#61627F
9#696978

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F2
#F2F2FC
BackgroundsSubtle highlightsCard backgrounds
100
E1E2
#E1E2F9
Light backgroundsTable row hoverSkeleton loading
200
C8C8
#C8C8F4
Secondary backgroundsInput backgroundsDividers
300
9D9E
#9D9EEC
BordersInactive statesPlaceholder text
400
6A6C
#6A6CE2
Disabled statesSecondary iconsMuted text
500
3F42
#3F42D9
Primary brand colorCTAsActive elementsLinks
600
2528
#2528BB
Hover statesFocus ringsPrimary buttons hover
700
1D1F
#1D1F95
Active/pressed statesDark mode accentsSecondary text
800
1516
#15166A
Text on light backgroundsHeadingsStrong borders
900
0D0E
#0D0E44
Primary textHigh emphasis contentDark headings
950
0809
#08092B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F2FC;
  --cobalt-100: #E1E2F9;
  --cobalt-200: #C8C8F4;
  --cobalt-300: #9D9EEC;
  --cobalt-400: #6A6CE2;
  --cobalt-500: #3F42D9;
  --cobalt-600: #2528BB;
  --cobalt-700: #1D1F95;
  --cobalt-800: #15166A;
  --cobalt-900: #0D0E44;
  --cobalt-950: #08092B;
}
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