Cobalt

#285BB8

Blue

Color Codes

All color formats for development

HEX
#285BB8
RGB
rgb(40, 91, 184)
HSL
hsl(219, 64%, 44%)
OKLCH
oklch(0.49 0.157 261.2)
CMYK
cmyk(78%, 51%, 0%, 28%)

Accessibility

WCAG contrast compliance

On White Background

6.40:1

AA AAA

On Black Background

3.28:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F6
100
#E2EA
200
#C9D7
300
#9FB9
400
#6D95
500
#4376
600
#285B
700
#2048
800
#1734
900
#0F21
950
#0915

Shades

Darker variations

1#2452A6
2#204993
3#1C3F81
4#18366E
5#142D5C
6#10244A
7#0C1B37
8#081225
9#040912

Tints

Lighter variations

1#2E66CF
2#4477D6
3#5B88DB
4#7299E0
5#8AAAE5
6#A1BBEA
7#B9CCF0
8#D0DDF5
9#E8EEFA

Tones

Muted variations

1#305DB1
2#375FAA
3#3E61A2
4#45639B
5#4C6594
6#53688D
7#5B6A86
8#626C7F
9#696E77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F6
#F2F6FC
BackgroundsSubtle highlightsCard backgrounds
100
E2EA
#E2EAF9
Light backgroundsTable row hoverSkeleton loading
200
C9D7
#C9D7F3
Secondary backgroundsInput backgroundsDividers
300
9FB9
#9FB9EA
BordersInactive statesPlaceholder text
400
6D95
#6D95DF
Disabled statesSecondary iconsMuted text
500
4376
#4376D6
Primary brand colorCTAsActive elementsLinks
600
285B
#285BB8
Hover statesFocus ringsPrimary buttons hover
700
2048
#204892
Active/pressed statesDark mode accentsSecondary text
800
1734
#173469
Text on light backgroundsHeadingsStrong borders
900
0F21
#0F2143
Primary textHigh emphasis contentDark headings
950
0915
#09152A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F6FC;
  --cobalt-100: #E2EAF9;
  --cobalt-200: #C9D7F3;
  --cobalt-300: #9FB9EA;
  --cobalt-400: #6D95DF;
  --cobalt-500: #4376D6;
  --cobalt-600: #285BB8;
  --cobalt-700: #204892;
  --cobalt-800: #173469;
  --cobalt-900: #0F2143;
  --cobalt-950: #09152A;
}
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