Cobalt

#2C4F87

Blue

Color Codes

All color formats for development

HEX
#2C4F87
RGB
rgb(44, 79, 135)
HSL
hsl(217, 51%, 35%)
OKLCH
oklch(0.431 0.102 259.4)
CMYK
cmyk(67%, 41%, 0%, 47%)

Accessibility

WCAG contrast compliance

On White Background

8.15:1

AA AAA

On Black Background

2.58:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F6
100
#E4EB
200
#CDDA
300
#A6BD
400
#789B
500
#527F
600
#3763
700
#2C4F
800
#1F38
900
#1424
950
#0C16

Shades

Darker variations

1#274779
2#233F6C
3#1F375E
4#1A2F51
5#162743
6#111F36
7#0D1828
8#09101B
9#04080D

Tints

Lighter variations

1#345DA0
2#3C6CB9
3#507DC6
4#6990CE
5#82A2D6
6#9BB5DF
7#B4C7E7
8#CDDAEF
9#E6ECF7

Tones

Muted variations

1#305082
2#35517E
3#395279
4#3E5375
5#425470
6#47556B
7#4C5667
8#505762
9#55585E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F6
#F3F6FB
BackgroundsSubtle highlightsCard backgrounds
100
E4EB
#E4EBF6
Light backgroundsTable row hoverSkeleton loading
200
CDDA
#CDDAEF
Secondary backgroundsInput backgroundsDividers
300
A6BD
#A6BDE2
BordersInactive statesPlaceholder text
400
789B
#789BD3
Disabled statesSecondary iconsMuted text
500
527F
#527FC7
Primary brand colorCTAsActive elementsLinks
600
3763
#3763A9
Hover statesFocus ringsPrimary buttons hover
700
2C4F
#2C4F87
Active/pressed statesDark mode accentsSecondary text
800
1F38
#1F3860
Text on light backgroundsHeadingsStrong borders
900
1424
#14243E
Primary textHigh emphasis contentDark headings
950
0C16
#0C1627
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F6FB;
  --cobalt-100: #E4EBF6;
  --cobalt-200: #CDDAEF;
  --cobalt-300: #A6BDE2;
  --cobalt-400: #789BD3;
  --cobalt-500: #527FC7;
  --cobalt-600: #3763A9;
  --cobalt-700: #2C4F87;
  --cobalt-800: #1F3860;
  --cobalt-900: #14243E;
  --cobalt-950: #0C1627;
}
Generate More ShadesCreate PaletteConvert Color