Cobalt

#1B4098

Blue

Color Codes

All color formats for development

HEX
#1B4098
RGB
rgb(27, 64, 152)
HSL
hsl(222, 70%, 35%)
OKLCH
oklch(0.403 0.151 263.7)
CMYK
cmyk(82%, 58%, 0%, 40%)

Accessibility

WCAG contrast compliance

On White Background

9.40:1

AA AAA

On Black Background

2.23:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F5
100
#E1E8
200
#C7D5
300
#9BB4
400
#678D
500
#3C6C
600
#2251
700
#1B40
800
#132E
900
#0C1D
950
#0812

Shades

Darker variations

1#183A89
2#153379
3#132D6A
4#10275B
5#0D204C
6#0B1A3D
7#08132E
8#050D1E
9#03060F

Tints

Lighter variations

1#204CB4
2#2558D0
3#3A6ADC
4#5680E1
5#7295E6
6#8EAAEB
7#AABFF0
8#C7D5F5
9#E3EAFA

Tones

Muted variations

1#214391
2#27458B
3#2E4885
4#344A7F
5#3A4D78
6#404F72
7#47526C
8#4D5466
9#53575F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F5
#F2F5FD
BackgroundsSubtle highlightsCard backgrounds
100
E1E8
#E1E8FA
Light backgroundsTable row hoverSkeleton loading
200
C7D5
#C7D5F5
Secondary backgroundsInput backgroundsDividers
300
9BB4
#9BB4ED
BordersInactive statesPlaceholder text
400
678D
#678DE4
Disabled statesSecondary iconsMuted text
500
3C6C
#3C6CDD
Primary brand colorCTAsActive elementsLinks
600
2251
#2251BF
Hover statesFocus ringsPrimary buttons hover
700
1B40
#1B4098
Active/pressed statesDark mode accentsSecondary text
800
132E
#132E6C
Text on light backgroundsHeadingsStrong borders
900
0C1D
#0C1D45
Primary textHigh emphasis contentDark headings
950
0812
#08122B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F5FD;
  --cobalt-100: #E1E8FA;
  --cobalt-200: #C7D5F5;
  --cobalt-300: #9BB4ED;
  --cobalt-400: #678DE4;
  --cobalt-500: #3C6CDD;
  --cobalt-600: #2251BF;
  --cobalt-700: #1B4098;
  --cobalt-800: #132E6C;
  --cobalt-900: #0C1D45;
  --cobalt-950: #08122B;
}
Generate More ShadesCreate PaletteConvert Color