Cobalt

#0B5FD5

Blue

Color Codes

All color formats for development

HEX
#0B5FD5
RGB
rgb(11, 95, 213)
HSL
hsl(215, 90%, 44%)
OKLCH
oklch(0.515 0.196 259.4)
CMYK
cmyk(95%, 55%, 0%, 16%)

Accessibility

WCAG contrast compliance

On White Background

5.81:1

AA AAA

On Black Background

3.61:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F6
100
#DDEA
200
#C0D9
300
#90BC
400
#5598
500
#257B
600
#0B5F
700
#094C
800
#0636
900
#0423
950
#0316

Shades

Darker variations

1#0A56C0
2#094CAB
3#084395
4#073980
5#06306B
6#042655
7#031D40
8#02132B
9#010A15

Tints

Lighter variations

1#0D6CF0
2#267CF4
3#418CF5
4#5C9CF6
5#77ADF8
6#92BDF9
7#AECEFB
8#C9DEFC
9#E4EFFE

Tones

Muted variations

1#1561CB
2#1F63C1
3#2A64B7
4#3466AD
5#3E68A3
6#486999
7#526B8E
8#5C6D84
9#666F7A

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F6
#F0F6FE
BackgroundsSubtle highlightsCard backgrounds
100
DDEA
#DDEAFD
Light backgroundsTable row hoverSkeleton loading
200
C0D9
#C0D9FC
Secondary backgroundsInput backgroundsDividers
300
90BC
#90BCF9
BordersInactive statesPlaceholder text
400
5598
#5598F6
Disabled statesSecondary iconsMuted text
500
257B
#257BF4
Primary brand colorCTAsActive elementsLinks
600
0B5F
#0B5FD5
Hover statesFocus ringsPrimary buttons hover
700
094C
#094CAA
Active/pressed statesDark mode accentsSecondary text
800
0636
#063679
Text on light backgroundsHeadingsStrong borders
900
0423
#04234E
Primary textHigh emphasis contentDark headings
950
0316
#031630
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F6FE;
  --cobalt-100: #DDEAFD;
  --cobalt-200: #C0D9FC;
  --cobalt-300: #90BCF9;
  --cobalt-400: #5598F6;
  --cobalt-500: #257BF4;
  --cobalt-600: #0B5FD5;
  --cobalt-700: #094CAA;
  --cobalt-800: #063679;
  --cobalt-900: #04234E;
  --cobalt-950: #031630;
}
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