Cobalt

#0A4A75

Blue

Color Codes

All color formats for development

HEX
#0A4A75
RGB
rgb(10, 74, 117)
HSL
hsl(204, 84%, 25%)
OKLCH
oklch(0.395 0.094 245.1)
CMYK
cmyk(91%, 37%, 0%, 54%)

Accessibility

WCAG contrast compliance

On White Background

9.34:1

AA AAA

On Black Background

2.25:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F9
100
#DEF0
200
#C2E3
300
#93CE
400
#5BB5
500
#2CA0
600
#1283
700
#0E68
800
#0A4A
900
#0730
950
#041E

Shades

Darker variations

1#09436A
2#083C5E
3#073452
4#062D46
5#05253B
6#041E2F
7#031623
8#020F17
9#01070C

Tints

Lighter variations

1#0D6198
2#1077BC
3#138DDF
4#2CA0ED
5#4FAFF0
6#72BFF3
7#95CFF6
8#B9DFF9
9#DCEFFC

Tones

Muted variations

1#104970
2#15486B
3#1A4765
4#204660
5#25455B
6#2A4455
7#304350
8#35424A
9#3A4145

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F9
#F1F9FE
BackgroundsSubtle highlightsCard backgrounds
100
DEF0
#DEF0FC
Light backgroundsTable row hoverSkeleton loading
200
C2E3
#C2E3FA
Secondary backgroundsInput backgroundsDividers
300
93CE
#93CEF6
BordersInactive statesPlaceholder text
400
5BB5
#5BB5F1
Disabled statesSecondary iconsMuted text
500
2CA0
#2CA0ED
Primary brand colorCTAsActive elementsLinks
600
1283
#1283CE
Hover statesFocus ringsPrimary buttons hover
700
0E68
#0E68A4
Active/pressed statesDark mode accentsSecondary text
800
0A4A
#0A4A75
Text on light backgroundsHeadingsStrong borders
900
0730
#07304B
Primary textHigh emphasis contentDark headings
950
041E
#041E2F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F9FE;
  --cobalt-100: #DEF0FC;
  --cobalt-200: #C2E3FA;
  --cobalt-300: #93CEF6;
  --cobalt-400: #5BB5F1;
  --cobalt-500: #2CA0ED;
  --cobalt-600: #1283CE;
  --cobalt-700: #0E68A4;
  --cobalt-800: #0A4A75;
  --cobalt-900: #07304B;
  --cobalt-950: #041E2F;
}
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