Cobalt

#0273B1

Blue

Color Codes

All color formats for development

HEX
#0273B1
RGB
rgb(2, 115, 177)
HSL
hsl(201, 98%, 35%)
OKLCH
oklch(0.534 0.129 243.2)
CMYK
cmyk(99%, 35%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

5.13:1

AA AAA

On Black Background

4.09:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0FA
100
#DCF2
200
#BDE8
300
#8BD6
400
#4EC0
500
#1CAE
600
#0291
700
#0273
800
#0152
900
#0135
950
#0121

Shades

Darker variations

1#02689F
2#015C8D
3#01517C
4#01456A
5#013A58
6#012E47
7#012335
8#001723
9#000C12

Tints

Lighter variations

1#0289D2
2#029EF2
3#19ADFD
4#3AB9FD
5#5BC4FD
6#7CD0FE
7#9DDCFE
8#BDE8FE
9#DEF3FF

Tones

Muted variations

1#0B71A8
2#136E9F
3#1C6C96
4#25698E
5#2E6685
6#36647C
7#3F6173
8#485E6B
9#515C62

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0FA
#F0FAFF
BackgroundsSubtle highlightsCard backgrounds
100
DCF2
#DCF2FF
Light backgroundsTable row hoverSkeleton loading
200
BDE8
#BDE8FE
Secondary backgroundsInput backgroundsDividers
300
8BD6
#8BD6FE
BordersInactive statesPlaceholder text
400
4EC0
#4EC0FD
Disabled statesSecondary iconsMuted text
500
1CAE
#1CAEFD
Primary brand colorCTAsActive elementsLinks
600
0291
#0291DE
Hover statesFocus ringsPrimary buttons hover
700
0273
#0273B1
Active/pressed statesDark mode accentsSecondary text
800
0152
#01527E
Text on light backgroundsHeadingsStrong borders
900
0135
#013551
Primary textHigh emphasis contentDark headings
950
0121
#012132
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0FAFF;
  --cobalt-100: #DCF2FF;
  --cobalt-200: #BDE8FE;
  --cobalt-300: #8BD6FE;
  --cobalt-400: #4EC0FD;
  --cobalt-500: #1CAEFD;
  --cobalt-600: #0291DE;
  --cobalt-700: #0273B1;
  --cobalt-800: #01527E;
  --cobalt-900: #013551;
  --cobalt-950: #012132;
}
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