Cobalt

#1231A1

Blue

Color Codes

All color formats for development

HEX
#1231A1
RGB
rgb(18, 49, 161)
HSL
hsl(227, 80%, 35%)
OKLCH
oklch(0.379 0.183 265.4)
CMYK
cmyk(89%, 70%, 0%, 37%)

Accessibility

WCAG contrast compliance

On White Background

10.61:1

AA AAA

On Black Background

1.98:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F4
100
#DFE5
200
#C3CF
300
#95AA
400
#5E7D
500
#3058
600
#163D
700
#1231
800
#0D23
900
#0816
950
#050E

Shades

Darker variations

1#102C91
2#0E2781
3#0C2270
4#0B1D60
5#091850
6#071440
7#050F30
8#040A20
9#020510

Tints

Lighter variations

1#153ABE
2#1843DC
3#2E56E8
4#4C6EEB
5#6A87EE
6#889FF2
7#A5B7F5
8#C3CFF8
9#E1E7FC

Tones

Muted variations

1#19359A
2#203992
3#273D8B
4#2E4184
5#36457D
6#3D4976
7#444D6F
8#4B5168
9#525560

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F4
#F1F4FD
BackgroundsSubtle highlightsCard backgrounds
100
DFE5
#DFE5FB
Light backgroundsTable row hoverSkeleton loading
200
C3CF
#C3CFF8
Secondary backgroundsInput backgroundsDividers
300
95AA
#95AAF3
BordersInactive statesPlaceholder text
400
5E7D
#5E7DED
Disabled statesSecondary iconsMuted text
500
3058
#3058E8
Primary brand colorCTAsActive elementsLinks
600
163D
#163DCA
Hover statesFocus ringsPrimary buttons hover
700
1231
#1231A1
Active/pressed statesDark mode accentsSecondary text
800
0D23
#0D2373
Text on light backgroundsHeadingsStrong borders
900
0816
#081649
Primary textHigh emphasis contentDark headings
950
050E
#050E2E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F4FD;
  --cobalt-100: #DFE5FB;
  --cobalt-200: #C3CFF8;
  --cobalt-300: #95AAF3;
  --cobalt-400: #5E7DED;
  --cobalt-500: #3058E8;
  --cobalt-600: #163DCA;
  --cobalt-700: #1231A1;
  --cobalt-800: #0D2373;
  --cobalt-900: #081649;
  --cobalt-950: #050E2E;
}
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