Cobalt

#2858B8

Blue

Color Codes

All color formats for development

HEX
#2858B8
RGB
rgb(40, 88, 184)
HSL
hsl(220, 64%, 44%)
OKLCH
oklch(0.484 0.161 262.2)
CMYK
cmyk(78%, 52%, 0%, 28%)

Accessibility

WCAG contrast compliance

On White Background

6.61:1

AA AAA

On Black Background

3.18:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F6
100
#E2E9
200
#C9D7
300
#9FB8
400
#6D93
500
#4374
600
#2858
700
#2046
800
#1732
900
#0F20
950
#0914

Shades

Darker variations

1#244FA6
2#204793
3#1C3E81
4#18356E
5#142C5C
6#10234A
7#0C1A37
8#081225
9#040912

Tints

Lighter variations

1#2E63CF
2#4474D6
3#5B86DB
4#7297E0
5#8AA8E5
6#A1BAEA
7#B9CBF0
8#D0DCF5
9#E8EEFA

Tones

Muted variations

1#305BB1
2#375DAA
3#3E5FA2
4#45629B
5#4C6494
6#53678D
7#5B6986
8#626B7F
9#696E77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F6
#F2F6FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E9
#E2E9F9
Light backgroundsTable row hoverSkeleton loading
200
C9D7
#C9D7F3
Secondary backgroundsInput backgroundsDividers
300
9FB8
#9FB8EA
BordersInactive statesPlaceholder text
400
6D93
#6D93DF
Disabled statesSecondary iconsMuted text
500
4374
#4374D6
Primary brand colorCTAsActive elementsLinks
600
2858
#2858B8
Hover statesFocus ringsPrimary buttons hover
700
2046
#204692
Active/pressed statesDark mode accentsSecondary text
800
1732
#173269
Text on light backgroundsHeadingsStrong borders
900
0F20
#0F2043
Primary textHigh emphasis contentDark headings
950
0914
#09142A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F6FC;
  --cobalt-100: #E2E9F9;
  --cobalt-200: #C9D7F3;
  --cobalt-300: #9FB8EA;
  --cobalt-400: #6D93DF;
  --cobalt-500: #4374D6;
  --cobalt-600: #2858B8;
  --cobalt-700: #204692;
  --cobalt-800: #173269;
  --cobalt-900: #0F2043;
  --cobalt-950: #09142A;
}
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