Cobalt

#1D5B95

Blue

Color Codes

All color formats for development

HEX
#1D5B95
RGB
rgb(29, 91, 149)
HSL
hsl(209, 67%, 35%)
OKLCH
oklch(0.463 0.113 250.6)
CMYK
cmyk(81%, 39%, 0%, 42%)

Accessibility

WCAG contrast compliance

On White Background

7.04:1

AA AAA

On Black Background

2.98:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F8
100
#E1EE
200
#C8DF
300
#9DC6
400
#6AA8
500
#3F8F
600
#2573
700
#1D5B
800
#1541
900
#0D2A
950
#081A

Shades

Darker variations

1#1B5286
2#184977
3#154068
4#123759
5#0F2E4B
6#0C243C
7#091B2D
8#06121E
9#03090F

Tints

Lighter variations

1#236CB1
2#287DCC
3#3D8ED9
4#599EDE
5#75AEE4
6#90BEE9
7#ACCEEF
8#C8DFF4
9#E3EFFA

Tones

Muted variations

1#235B8F
2#295B89
3#2F5B83
4#355A7D
5#3B5A77
6#415A71
7#475A6B
8#4D5A65
9#53595F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F8
#F2F8FC
BackgroundsSubtle highlightsCard backgrounds
100
E1EE
#E1EEF9
Light backgroundsTable row hoverSkeleton loading
200
C8DF
#C8DFF4
Secondary backgroundsInput backgroundsDividers
300
9DC6
#9DC6EC
BordersInactive statesPlaceholder text
400
6AA8
#6AA8E2
Disabled statesSecondary iconsMuted text
500
3F8F
#3F8FD9
Primary brand colorCTAsActive elementsLinks
600
2573
#2573BB
Hover statesFocus ringsPrimary buttons hover
700
1D5B
#1D5B95
Active/pressed statesDark mode accentsSecondary text
800
1541
#15416A
Text on light backgroundsHeadingsStrong borders
900
0D2A
#0D2A44
Primary textHigh emphasis contentDark headings
950
081A
#081A2B
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F8FC;
  --cobalt-100: #E1EEF9;
  --cobalt-200: #C8DFF4;
  --cobalt-300: #9DC6EC;
  --cobalt-400: #6AA8E2;
  --cobalt-500: #3F8FD9;
  --cobalt-600: #2573BB;
  --cobalt-700: #1D5B95;
  --cobalt-800: #15416A;
  --cobalt-900: #0D2A44;
  --cobalt-950: #081A2B;
}
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