Cobalt

#013C7E

Blue

Color Codes

All color formats for development

HEX
#013C7E
RGB
rgb(1, 60, 126)
HSL
hsl(212, 98%, 25%)
OKLCH
oklch(0.365 0.125 256.2)
CMYK
cmyk(99%, 52%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

10.78:1

AA AAA

On Black Background

1.95:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F7
100
#DCEC
200
#BDDC
300
#8BC1
400
#4EA0
500
#1C85
600
#0269
700
#0253
800
#013C
900
#0126
950
#0118

Shades

Darker variations

1#013672
2#013065
3#012A58
4#01244C
5#011E3F
6#011832
7#001226
8#000C19
9#00060D

Tints

Lighter variations

1#024DA4
2#025FCA
3#0271F0
4#1C85FD
5#4299FD
6#68AEFD
7#8DC2FE
8#B3D6FE
9#D9EBFF

Tones

Muted variations

1#083C78
2#0E3C72
3#143D6B
4#1A3D65
5#213E5F
6#273E59
7#2D3F52
8#333F4C
9#3A3F46

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F7
#F0F7FF
BackgroundsSubtle highlightsCard backgrounds
100
DCEC
#DCECFF
Light backgroundsTable row hoverSkeleton loading
200
BDDC
#BDDCFE
Secondary backgroundsInput backgroundsDividers
300
8BC1
#8BC1FE
BordersInactive statesPlaceholder text
400
4EA0
#4EA0FD
Disabled statesSecondary iconsMuted text
500
1C85
#1C85FD
Primary brand colorCTAsActive elementsLinks
600
0269
#0269DE
Hover statesFocus ringsPrimary buttons hover
700
0253
#0253B1
Active/pressed statesDark mode accentsSecondary text
800
013C
#013C7E
Text on light backgroundsHeadingsStrong borders
900
0126
#012651
Primary textHigh emphasis contentDark headings
950
0118
#011832
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F7FF;
  --cobalt-100: #DCECFF;
  --cobalt-200: #BDDCFE;
  --cobalt-300: #8BC1FE;
  --cobalt-400: #4EA0FD;
  --cobalt-500: #1C85FD;
  --cobalt-600: #0269DE;
  --cobalt-700: #0253B1;
  --cobalt-800: #013C7E;
  --cobalt-900: #012651;
  --cobalt-950: #011832;
}
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