Cobalt

#2B3D88

Blue

Color Codes

All color formats for development

HEX
#2B3D88
RGB
rgb(43, 61, 136)
HSL
hsl(228, 52%, 35%)
OKLCH
oklch(0.39 0.127 269.5)
CMYK
cmyk(68%, 55%, 0%, 47%)

Accessibility

WCAG contrast compliance

On White Background

9.88:1

AA AAA

On Black Background

2.13:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E4E8
200
#CDD4
300
#A6B2
400
#778A
500
#5168
600
#364D
700
#2B3D
800
#1F2C
900
#141C
950
#0C12

Shades

Darker variations

1#27377A
2#22316D
3#1E2B5F
4#1A2551
5#151F44
6#111936
7#0D1229
8#090C1B
9#04060E

Tints

Lighter variations

1#3349A1
2#3B54BA
3#4F67C7
4#687DCF
5#8192D7
6#9AA8DF
7#B3BEE7
8#CDD4EF
9#E6E9F7

Tones

Muted variations

1#2F4083
2#34437E
3#39467A
4#3D4975
5#424B70
6#474E6C
7#4B5167
8#505463
9#55565E

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
CDD4
#CDD4EF
Secondary backgroundsInput backgroundsDividers
300
A6B2
#A6B2E3
BordersInactive statesPlaceholder text
400
778A
#778AD4
Disabled statesSecondary iconsMuted text
500
5168
#5168C8
Primary brand colorCTAsActive elementsLinks
600
364D
#364DAB
Hover statesFocus ringsPrimary buttons hover
700
2B3D
#2B3D88
Active/pressed statesDark mode accentsSecondary text
800
1F2C
#1F2C61
Text on light backgroundsHeadingsStrong borders
900
141C
#141C3E
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: #CDD4EF;
  --cobalt-300: #A6B2E3;
  --cobalt-400: #778AD4;
  --cobalt-500: #5168C8;
  --cobalt-600: #364DAB;
  --cobalt-700: #2B3D88;
  --cobalt-800: #1F2C61;
  --cobalt-900: #141C3E;
  --cobalt-950: #0C1227;
}
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