Cobalt

#033E7D

Blue

Color Codes

All color formats for development

HEX
#033E7D
RGB
rgb(3, 62, 125)
HSL
hsl(211, 95%, 25%)
OKLCH
oklch(0.37 0.12 255.4)
CMYK
cmyk(98%, 50%, 0%, 51%)

Accessibility

WCAG contrast compliance

On White Background

10.56:1

AA AAA

On Black Background

1.99:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F7
100
#DCED
200
#BEDD
300
#8DC2
400
#51A3
500
#1F89
600
#066D
700
#0456
800
#033E
900
#0228
950
#0119

Shades

Darker variations

1#033870
2#033163
3#022B57
4#02254B
5#021F3E
6#011932
7#011325
8#010C19
9#00060C

Tints

Lighter variations

1#0450A2
2#0563C7
3#0675EC
4#1F89F9
5#459CFA
6#6AB0FB
7#8FC4FC
8#B4D8FD
9#DAEBFE

Tones

Muted variations

1#093E76
2#0F3E70
3#153E6A
4#1B3F64
5#213F5E
6#283F58
7#2E3F52
8#343F4C
9#3A4046

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F7
#F0F7FF
BackgroundsSubtle highlightsCard backgrounds
100
DCED
#DCEDFE
Light backgroundsTable row hoverSkeleton loading
200
BEDD
#BEDDFD
Secondary backgroundsInput backgroundsDividers
300
8DC2
#8DC2FC
BordersInactive statesPlaceholder text
400
51A3
#51A3FB
Disabled statesSecondary iconsMuted text
500
1F89
#1F89F9
Primary brand colorCTAsActive elementsLinks
600
066D
#066DDB
Hover statesFocus ringsPrimary buttons hover
700
0456
#0456AE
Active/pressed statesDark mode accentsSecondary text
800
033E
#033E7C
Text on light backgroundsHeadingsStrong borders
900
0228
#022850
Primary textHigh emphasis contentDark headings
950
0119
#011932
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F0F7FF;
  --cobalt-100: #DCEDFE;
  --cobalt-200: #BEDDFD;
  --cobalt-300: #8DC2FC;
  --cobalt-400: #51A3FB;
  --cobalt-500: #1F89F9;
  --cobalt-600: #066DDB;
  --cobalt-700: #0456AE;
  --cobalt-800: #033E7C;
  --cobalt-900: #022850;
  --cobalt-950: #011932;
}
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