Cobalt

#124DA1

Blue

Color Codes

All color formats for development

HEX
#124DA1
RGB
rgb(18, 77, 161)
HSL
hsl(215, 80%, 35%)
OKLCH
oklch(0.436 0.149 258.6)
CMYK
cmyk(89%, 52%, 0%, 37%)

Accessibility

WCAG contrast compliance

On White Background

8.07:1

AA AAA

On Black Background

2.60:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F6
100
#DFEB
200
#C3D9
300
#95BD
400
#5E9A
500
#307D
600
#1661
700
#124D
800
#0D37
900
#0823
950
#0516

Shades

Darker variations

1#104691
2#0E3E81
3#0C3670
4#0B2E60
5#092750
6#071F40
7#051730
8#040F20
9#020810

Tints

Lighter variations

1#155CBE
2#186ADC
3#2E7CE8
4#4C8EEB
5#6AA1EE
6#88B4F2
7#A5C7F5
8#C3D9F8
9#E1ECFC

Tones

Muted variations

1#194F9A
2#205092
3#27518B
4#2E5284
5#36537D
6#3D5476
7#44566F
8#4B5768
9#525860

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F6
#F1F6FD
BackgroundsSubtle highlightsCard backgrounds
100
DFEB
#DFEBFB
Light backgroundsTable row hoverSkeleton loading
200
C3D9
#C3D9F8
Secondary backgroundsInput backgroundsDividers
300
95BD
#95BDF3
BordersInactive statesPlaceholder text
400
5E9A
#5E9AED
Disabled statesSecondary iconsMuted text
500
307D
#307DE8
Primary brand colorCTAsActive elementsLinks
600
1661
#1661CA
Hover statesFocus ringsPrimary buttons hover
700
124D
#124DA1
Active/pressed statesDark mode accentsSecondary text
800
0D37
#0D3773
Text on light backgroundsHeadingsStrong borders
900
0823
#082349
Primary textHigh emphasis contentDark headings
950
0516
#05162E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F6FD;
  --cobalt-100: #DFEBFB;
  --cobalt-200: #C3D9F8;
  --cobalt-300: #95BDF3;
  --cobalt-400: #5E9AED;
  --cobalt-500: #307DE8;
  --cobalt-600: #1661CA;
  --cobalt-700: #124DA1;
  --cobalt-800: #0D3773;
  --cobalt-900: #082349;
  --cobalt-950: #05162E;
}
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