Cobalt

#252DBB

Blue

Color Codes

All color formats for development

HEX
#252DBB
RGB
rgb(37, 45, 187)
HSL
hsl(237, 67%, 44%)
OKLCH
oklch(0.408 0.215 269.8)
CMYK
cmyk(80%, 76%, 0%, 27%)

Accessibility

WCAG contrast compliance

On White Background

9.67:1

AA AAA

On Black Background

2.17:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F3
100
#E1E2
200
#C8CA
300
#9DA1
400
#6A70
500
#3F47
600
#252D
700
#1D23
800
#1519
900
#0D10
950
#080A

Shades

Darker variations

1#2128A9
2#1E2496
3#1A1F83
4#161B70
5#13165E
6#0F124B
7#0B0D38
8#070925
9#040413

Tints

Lighter variations

1#2A32D3
2#4048D9
3#585FDE
4#7076E3
5#888DE7
6#A0A3EC
7#B7BAF1
8#CFD1F6
9#E7E8FA

Tones

Muted variations

1#2D33B4
2#343AAC
3#3C41A5
4#43489D
5#4B4E96
6#52558E
7#5A5C87
8#61637F
9#696978

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F3
#F2F3FC
BackgroundsSubtle highlightsCard backgrounds
100
E1E2
#E1E2F9
Light backgroundsTable row hoverSkeleton loading
200
C8CA
#C8CAF4
Secondary backgroundsInput backgroundsDividers
300
9DA1
#9DA1EC
BordersInactive statesPlaceholder text
400
6A70
#6A70E2
Disabled statesSecondary iconsMuted text
500
3F47
#3F47D9
Primary brand colorCTAsActive elementsLinks
600
252D
#252DBB
Hover statesFocus ringsPrimary buttons hover
700
1D23
#1D2395
Active/pressed statesDark mode accentsSecondary text
800
1519
#15196A
Text on light backgroundsHeadingsStrong borders
900
0D10
#0D1044
Primary textHigh emphasis contentDark headings
950
080A
#080A2B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F3FC;
  --cobalt-100: #E1E2F9;
  --cobalt-200: #C8CAF4;
  --cobalt-300: #9DA1EC;
  --cobalt-400: #6A70E2;
  --cobalt-500: #3F47D9;
  --cobalt-600: #252DBB;
  --cobalt-700: #1D2395;
  --cobalt-800: #15196A;
  --cobalt-900: #0D1044;
  --cobalt-950: #080A2B;
}
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