Cobalt

#0666DB

Blue

Color Codes

All color formats for development

HEX
#0666DB
RGB
rgb(6, 102, 219)
HSL
hsl(213, 95%, 44%)
OKLCH
oklch(0.534 0.196 258.2)
CMYK
cmyk(97%, 53%, 0%, 14%)

Accessibility

WCAG contrast compliance

On White Background

5.34:1

AA AAA

On Black Background

3.93:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F7
100
#DCEB
200
#BEDB
300
#8DBF
400
#519D
500
#1F81
600
#0666
700
#0451
800
#033A
900
#0225
950
#0117

Shades

Darker variations

1#055BC5
2#0451AF
3#044799
4#033D83
5#03336D
6#022958
7#021E42
8#01142C
9#010A16

Tints

Lighter variations

1#0672F7
2#2082F9
3#3C92FA
4#58A1FB
5#74B1FB
6#90C0FC
7#ABD0FD
8#C7E0FE
9#E3EFFE

Tones

Muted variations

1#1067D0
2#1B68C5
3#2669BB
4#306AB0
5#3B6BA5
6#466C9B
7#506D90
8#5B6E86
9#666F7B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F7
#F0F7FF
BackgroundsSubtle highlightsCard backgrounds
100
DCEB
#DCEBFE
Light backgroundsTable row hoverSkeleton loading
200
BEDB
#BEDBFD
Secondary backgroundsInput backgroundsDividers
300
8DBF
#8DBFFC
BordersInactive statesPlaceholder text
400
519D
#519DFB
Disabled statesSecondary iconsMuted text
500
1F81
#1F81F9
Primary brand colorCTAsActive elementsLinks
600
0666
#0666DB
Hover statesFocus ringsPrimary buttons hover
700
0451
#0451AE
Active/pressed statesDark mode accentsSecondary text
800
033A
#033A7C
Text on light backgroundsHeadingsStrong borders
900
0225
#022550
Primary textHigh emphasis contentDark headings
950
0117
#011732
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F7FF;
  --cobalt-100: #DCEBFE;
  --cobalt-200: #BEDBFD;
  --cobalt-300: #8DBFFC;
  --cobalt-400: #519DFB;
  --cobalt-500: #1F81F9;
  --cobalt-600: #0666DB;
  --cobalt-700: #0451AE;
  --cobalt-800: #033A7C;
  --cobalt-900: #022550;
  --cobalt-950: #011732;
}
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