Cobalt

#18559A

Blue

Color Codes

All color formats for development

HEX
#18559A
RGB
rgb(24, 85, 154)
HSL
hsl(212, 73%, 35%)
OKLCH
oklch(0.45 0.128 254.7)
CMYK
cmyk(84%, 45%, 0%, 40%)

Accessibility

WCAG contrast compliance

On White Background

7.49:1

AA AAA

On Black Background

2.80:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F7
100
#E0EC
200
#C6DC
300
#9AC1
400
#65A1
500
#3887
600
#1E6B
700
#1855
800
#113D
900
#0B27
950
#0718

Shades

Darker variations

1#164C8B
2#13447C
3#113B6C
4#0E335D
5#0C2A4D
6#0A223E
7#07192E
8#05111F
9#02080F

Tints

Lighter variations

1#1D65B7
2#2174D4
3#3685E0
4#5397E4
5#70A8E9
6#8CB9ED
7#A9CBF2
8#C6DCF6
9#E2EEFB

Tones

Muted variations

1#1F5594
2#25568D
3#2C5687
4#325780
5#39577A
6#3F5873
7#46586D
8#4C5866
9#535960

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F7
#F2F7FD
BackgroundsSubtle highlightsCard backgrounds
100
E0EC
#E0ECFA
Light backgroundsTable row hoverSkeleton loading
200
C6DC
#C6DCF6
Secondary backgroundsInput backgroundsDividers
300
9AC1
#9AC1EF
BordersInactive statesPlaceholder text
400
65A1
#65A1E7
Disabled statesSecondary iconsMuted text
500
3887
#3887E0
Primary brand colorCTAsActive elementsLinks
600
1E6B
#1E6BC2
Hover statesFocus ringsPrimary buttons hover
700
1855
#18559A
Active/pressed statesDark mode accentsSecondary text
800
113D
#113D6E
Text on light backgroundsHeadingsStrong borders
900
0B27
#0B2747
Primary textHigh emphasis contentDark headings
950
0718
#07182C
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F7FD;
  --cobalt-100: #E0ECFA;
  --cobalt-200: #C6DCF6;
  --cobalt-300: #9AC1EF;
  --cobalt-400: #65A1E7;
  --cobalt-500: #3887E0;
  --cobalt-600: #1E6BC2;
  --cobalt-700: #18559A;
  --cobalt-800: #113D6E;
  --cobalt-900: #0B2747;
  --cobalt-950: #07182C;
}
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