Cobalt

#1D18C9

Blue

Color Codes

All color formats for development

HEX
#1D18C9
RGB
rgb(29, 24, 201)
HSL
hsl(242, 79%, 44%)
OKLCH
oklch(0.399 0.248 268.2)
CMYK
cmyk(86%, 88%, 0%, 21%)

Accessibility

WCAG contrast compliance

On White Background

10.36:1

AA AAA

On Black Background

2.03:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F1
100
#E0DF
200
#C5C4
300
#9996
400
#645F
500
#3832
600
#1D18
700
#1713
800
#110D
900
#0B09
950
#0705

Shades

Darker variations

1#1B15B5
2#1813A1
3#15108D
4#120E79
5#0F0C64
6#0C0950
7#09073C
8#060528
9#030214

Tints

Lighter variations

1#211BE2
2#3933E7
3#514CEA
4#6A66ED
5#837FF0
6#9C99F3
7#B5B2F6
8#CDCCF9
9#E6E5FC

Tones

Muted variations

1#2620C0
2#2E29B7
3#3632AE
4#3F3BA5
5#47449D
6#4F4D94
7#57568B
8#605E82
9#686779

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F1
#F2F1FD
BackgroundsSubtle highlightsCard backgrounds
100
E0DF
#E0DFFB
Light backgroundsTable row hoverSkeleton loading
200
C5C4
#C5C4F8
Secondary backgroundsInput backgroundsDividers
300
9996
#9996F3
BordersInactive statesPlaceholder text
400
645F
#645FEC
Disabled statesSecondary iconsMuted text
500
3832
#3832E7
Primary brand colorCTAsActive elementsLinks
600
1D18
#1D18C9
Hover statesFocus ringsPrimary buttons hover
700
1713
#1713A0
Active/pressed statesDark mode accentsSecondary text
800
110D
#110D72
Text on light backgroundsHeadingsStrong borders
900
0B09
#0B0949
Primary textHigh emphasis contentDark headings
950
0705
#07052E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F1FD;
  --cobalt-100: #E0DFFB;
  --cobalt-200: #C5C4F8;
  --cobalt-300: #9996F3;
  --cobalt-400: #645FEC;
  --cobalt-500: #3832E7;
  --cobalt-600: #1D18C9;
  --cobalt-700: #1713A0;
  --cobalt-800: #110D72;
  --cobalt-900: #0B0949;
  --cobalt-950: #07052E;
}
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