Cobalt

#2A4589

Blue

Color Codes

All color formats for development

HEX
#2A4589
RGB
rgb(42, 69, 137)
HSL
hsl(223, 53%, 35%)
OKLCH
oklch(0.408 0.118 265.2)
CMYK
cmyk(69%, 50%, 0%, 46%)

Accessibility

WCAG contrast compliance

On White Background

9.09:1

AA AAA

On Black Background

2.31:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F6
100
#E4E9
200
#CCD6
300
#A5B7
400
#7691
500
#4F72
600
#3556
700
#2A45
800
#1E31
900
#131F
950
#0C14

Shades

Darker variations

1#263E7B
2#22376D
3#1D3060
4#192952
5#152244
6#111C37
7#0D1529
8#080E1B
9#04070E

Tints

Lighter variations

1#3252A2
2#3A5EBB
3#4D70C8
4#6785D0
5#8099D8
6#9AADE0
7#B3C2E8
8#CCD6EF
9#E6EBF7

Tones

Muted variations

1#2F4784
2#33497F
3#384B7A
4#3D4D76
5#424F71
6#46516C
7#4B5367
8#505563
9#55575E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F6
#F3F6FB
BackgroundsSubtle highlightsCard backgrounds
100
E4E9
#E4E9F7
Light backgroundsTable row hoverSkeleton loading
200
CCD6
#CCD6EF
Secondary backgroundsInput backgroundsDividers
300
A5B7
#A5B7E3
BordersInactive statesPlaceholder text
400
7691
#7691D5
Disabled statesSecondary iconsMuted text
500
4F72
#4F72C9
Primary brand colorCTAsActive elementsLinks
600
3556
#3556AC
Hover statesFocus ringsPrimary buttons hover
700
2A45
#2A4589
Active/pressed statesDark mode accentsSecondary text
800
1E31
#1E3162
Text on light backgroundsHeadingsStrong borders
900
131F
#131F3E
Primary textHigh emphasis contentDark headings
950
0C14
#0C1427
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F6FB;
  --cobalt-100: #E4E9F7;
  --cobalt-200: #CCD6EF;
  --cobalt-300: #A5B7E3;
  --cobalt-400: #7691D5;
  --cobalt-500: #4F72C9;
  --cobalt-600: #3556AC;
  --cobalt-700: #2A4589;
  --cobalt-800: #1E3162;
  --cobalt-900: #131F3E;
  --cobalt-950: #0C1427;
}
Generate More ShadesCreate PaletteConvert Color