Cobalt

#2B4088

Blue

Color Codes

All color formats for development

HEX
#2B4088
RGB
rgb(43, 64, 136)
HSL
hsl(226, 52%, 35%)
OKLCH
oklch(0.397 0.123 268.1)
CMYK
cmyk(68%, 53%, 0%, 47%)

Accessibility

WCAG contrast compliance

On White Background

9.58:1

AA AAA

On Black Background

2.19:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E4E8
200
#CDD5
300
#A6B4
400
#778D
500
#516C
600
#3651
700
#2B40
800
#1F2E
900
#141D
950
#0C12

Shades

Darker variations

1#273A7A
2#22346D
3#1E2D5F
4#1A2751
5#152044
6#111A36
7#0D1329
8#090D1B
9#04060E

Tints

Lighter variations

1#334CA1
2#3B58BA
3#4F6BC7
4#6880CF
5#8195D7
6#9AAADF
7#B3BFE7
8#CDD5EF
9#E6EAF7

Tones

Muted variations

1#2F4383
2#34457E
3#39487A
4#3D4A75
5#424D70
6#474F6C
7#4B5267
8#505463
9#55575E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FB
BackgroundsSubtle highlightsCard backgrounds
100
E4E8
#E4E8F6
Light backgroundsTable row hoverSkeleton loading
200
CDD5
#CDD5EF
Secondary backgroundsInput backgroundsDividers
300
A6B4
#A6B4E3
BordersInactive statesPlaceholder text
400
778D
#778DD4
Disabled statesSecondary iconsMuted text
500
516C
#516CC8
Primary brand colorCTAsActive elementsLinks
600
3651
#3651AB
Hover statesFocus ringsPrimary buttons hover
700
2B40
#2B4088
Active/pressed statesDark mode accentsSecondary text
800
1F2E
#1F2E61
Text on light backgroundsHeadingsStrong borders
900
141D
#141D3E
Primary textHigh emphasis contentDark headings
950
0C12
#0C1227
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FB;
  --cobalt-100: #E4E8F6;
  --cobalt-200: #CDD5EF;
  --cobalt-300: #A6B4E3;
  --cobalt-400: #778DD4;
  --cobalt-500: #516CC8;
  --cobalt-600: #3651AB;
  --cobalt-700: #2B4088;
  --cobalt-800: #1F2E61;
  --cobalt-900: #141D3E;
  --cobalt-950: #0C1227;
}
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