Cobalt

#2B3A88

Blue

Color Codes

All color formats for development

HEX
#2B3A88
RGB
rgb(43, 58, 136)
HSL
hsl(230, 52%, 35%)
OKLCH
oklch(0.384 0.131 270.8)
CMYK
cmyk(68%, 57%, 0%, 47%)

Accessibility

WCAG contrast compliance

On White Background

10.18:1

AA AAA

On Black Background

2.06:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E4E7
200
#CDD2
300
#A6B0
400
#7787
500
#5164
600
#3649
700
#2B3A
800
#1F2A
900
#141B
950
#0C11

Shades

Darker variations

1#27347A
2#222F6D
3#1E295F
4#1A2351
5#151D44
6#111736
7#0D1129
8#090C1B
9#04060E

Tints

Lighter variations

1#3345A1
2#3B50BA
3#4F63C7
4#6879CF
5#818FD7
6#9AA6DF
7#B3BCE7
8#CDD2EF
9#E6E9F7

Tones

Muted variations

1#2F3D83
2#34407E
3#39447A
4#3D4775
5#424A70
6#474D6C
7#4B5067
8#505363
9#55565E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FB
BackgroundsSubtle highlightsCard backgrounds
100
E4E7
#E4E7F6
Light backgroundsTable row hoverSkeleton loading
200
CDD2
#CDD2EF
Secondary backgroundsInput backgroundsDividers
300
A6B0
#A6B0E3
BordersInactive statesPlaceholder text
400
7787
#7787D4
Disabled statesSecondary iconsMuted text
500
5164
#5164C8
Primary brand colorCTAsActive elementsLinks
600
3649
#3649AB
Hover statesFocus ringsPrimary buttons hover
700
2B3A
#2B3A88
Active/pressed statesDark mode accentsSecondary text
800
1F2A
#1F2A61
Text on light backgroundsHeadingsStrong borders
900
141B
#141B3E
Primary textHigh emphasis contentDark headings
950
0C11
#0C1127
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FB;
  --cobalt-100: #E4E7F6;
  --cobalt-200: #CDD2EF;
  --cobalt-300: #A6B0E3;
  --cobalt-400: #7787D4;
  --cobalt-500: #5164C8;
  --cobalt-600: #3649AB;
  --cobalt-700: #2B3A88;
  --cobalt-800: #1F2A61;
  --cobalt-900: #141B3E;
  --cobalt-950: #0C1127;
}
Generate More ShadesCreate PaletteConvert Color