Cobalt

#02357E

Blue

Color Codes

All color formats for development

HEX
#02357E
RGB
rgb(2, 53, 126)
HSL
hsl(215, 97%, 25%)
OKLCH
oklch(0.349 0.134 259.2)
CMYK
cmyk(98%, 58%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

11.58:1

AA AAA

On Black Background

1.81:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F6
100
#DCEA
200
#BED8
300
#8BBB
400
#4F97
500
#1D7A
600
#035E
700
#034B
800
#0235
900
#0122
950
#0115

Shades

Darker variations

1#023071
2#022B64
3#012558
4#01204B
5#011B3F
6#011532
7#011026
8#000B19
9#00050D

Tints

Lighter variations

1#0245A3
2#0356C9
3#0466EF
4#1D7AFC
5#4390FC
6#68A6FD
7#8EBCFD
8#B4D3FE
9#D9E9FE

Tones

Muted variations

1#083677
2#0E3871
3#14396B
4#1B3A65
5#213B5F
6#273C58
7#2D3D52
8#333E4C
9#3A3F46

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F6
#F0F6FF
BackgroundsSubtle highlightsCard backgrounds
100
DCEA
#DCEAFE
Light backgroundsTable row hoverSkeleton loading
200
BED8
#BED8FE
Secondary backgroundsInput backgroundsDividers
300
8BBB
#8BBBFD
BordersInactive statesPlaceholder text
400
4F97
#4F97FC
Disabled statesSecondary iconsMuted text
500
1D7A
#1D7AFC
Primary brand colorCTAsActive elementsLinks
600
035E
#035EDD
Hover statesFocus ringsPrimary buttons hover
700
034B
#034BB0
Active/pressed statesDark mode accentsSecondary text
800
0235
#02357E
Text on light backgroundsHeadingsStrong borders
900
0122
#012250
Primary textHigh emphasis contentDark headings
950
0115
#011532
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F6FF;
  --cobalt-100: #DCEAFE;
  --cobalt-200: #BED8FE;
  --cobalt-300: #8BBBFD;
  --cobalt-400: #4F97FC;
  --cobalt-500: #1D7AFC;
  --cobalt-600: #035EDD;
  --cobalt-700: #034BB0;
  --cobalt-800: #02357E;
  --cobalt-900: #012250;
  --cobalt-950: #011532;
}
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