Cobalt

#0F66A3

Blue

Color Codes

All color formats for development

HEX
#0F66A3
RGB
rgb(15, 102, 163)
HSL
hsl(205, 83%, 35%)
OKLCH
oklch(0.495 0.123 246.6)
CMYK
cmyk(91%, 37%, 0%, 36%)

Accessibility

WCAG contrast compliance

On White Background

6.09:1

AA AAA

On Black Background

3.45:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F8
100
#DEF0
200
#C2E2
300
#94CC
400
#5CB2
500
#2D9C
600
#1380
700
#0F66
800
#0B49
900
#072E
950
#041D

Shades

Darker variations

1#0E5B93
2#0C5183
3#0B4772
4#093D62
5#083352
6#062941
7#051E31
8#031421
9#020A10

Tints

Lighter variations

1#1278C2
2#158BE0
3#2B9BEB
4#49A9EE
5#67B8F1
6#86C6F4
7#A4D4F7
8#C2E2F9
9#E1F1FC

Tones

Muted variations

1#17649C
2#1E6395
3#25628D
4#2D6186
5#345F7E
6#3C5E77
7#435D6F
8#4A5C68
9#525A61

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F8
#F1F8FE
BackgroundsSubtle highlightsCard backgrounds
100
DEF0
#DEF0FC
Light backgroundsTable row hoverSkeleton loading
200
C2E2
#C2E2F9
Secondary backgroundsInput backgroundsDividers
300
94CC
#94CCF5
BordersInactive statesPlaceholder text
400
5CB2
#5CB2F0
Disabled statesSecondary iconsMuted text
500
2D9C
#2D9CEB
Primary brand colorCTAsActive elementsLinks
600
1380
#1380CD
Hover statesFocus ringsPrimary buttons hover
700
0F66
#0F66A3
Active/pressed statesDark mode accentsSecondary text
800
0B49
#0B4975
Text on light backgroundsHeadingsStrong borders
900
072E
#072E4B
Primary textHigh emphasis contentDark headings
950
041D
#041D2F
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F8FE;
  --cobalt-100: #DEF0FC;
  --cobalt-200: #C2E2F9;
  --cobalt-300: #94CCF5;
  --cobalt-400: #5CB2F0;
  --cobalt-500: #2D9CEB;
  --cobalt-600: #1380CD;
  --cobalt-700: #0F66A3;
  --cobalt-800: #0B4975;
  --cobalt-900: #072E4B;
  --cobalt-950: #041D2F;
}
Generate More ShadesCreate PaletteConvert Color