Cobalt

#2F3AB1

Blue

Color Codes

All color formats for development

HEX
#2F3AB1
RGB
rgb(47, 58, 177)
HSL
hsl(235, 58%, 44%)
OKLCH
oklch(0.423 0.186 271.5)
CMYK
cmyk(73%, 67%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

8.89:1

AA AAA

On Black Background

2.36:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F4
100
#E3E5
200
#CBCE
300
#A2A8
400
#727B
500
#4A55
600
#2F3A
700
#252E
800
#1B21
900
#1115
950
#0B0D

Shades

Darker variations

1#2A34A0
2#262E8E
3#21297C
4#1C236A
5#181D59
6#131747
7#0E1135
8#090C23
9#050612

Tints

Lighter variations

1#3541C8
2#4B56CF
3#616BD5
4#7880DB
5#8E95E1
6#A5AAE7
7#BBBFED
8#D2D5F3
9#E8EAF9

Tones

Muted variations

1#363FAB
2#3C45A4
3#434A9E
4#495097
5#505591
6#565B8A
7#5D6084
8#63657D
9#6A6B77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F4
#F3F4FC
BackgroundsSubtle highlightsCard backgrounds
100
E3E5
#E3E5F8
Light backgroundsTable row hoverSkeleton loading
200
CBCE
#CBCEF1
Secondary backgroundsInput backgroundsDividers
300
A2A8
#A2A8E6
BordersInactive statesPlaceholder text
400
727B
#727BDA
Disabled statesSecondary iconsMuted text
500
4A55
#4A55CF
Primary brand colorCTAsActive elementsLinks
600
2F3A
#2F3AB1
Hover statesFocus ringsPrimary buttons hover
700
252E
#252E8D
Active/pressed statesDark mode accentsSecondary text
800
1B21
#1B2165
Text on light backgroundsHeadingsStrong borders
900
1115
#111540
Primary textHigh emphasis contentDark headings
950
0B0D
#0B0D28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F4FC;
  --cobalt-100: #E3E5F8;
  --cobalt-200: #CBCEF1;
  --cobalt-300: #A2A8E6;
  --cobalt-400: #727BDA;
  --cobalt-500: #4A55CF;
  --cobalt-600: #2F3AB1;
  --cobalt-700: #252E8D;
  --cobalt-800: #1B2165;
  --cobalt-900: #111540;
  --cobalt-950: #0B0D28;
}
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