Cobalt

#15259E

Blue

Color Codes

All color formats for development

HEX
#15259E
RGB
rgb(21, 37, 158)
HSL
hsl(233, 77%, 35%)
OKLCH
oklch(0.357 0.191 267.4)
CMYK
cmyk(87%, 77%, 0%, 38%)

Accessibility

WCAG contrast compliance

On White Background

11.73:1

AA AAA

On Black Background

1.79:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F3
100
#DFE3
200
#C4CA
300
#97A2
400
#6171
500
#3449
600
#1A2E
700
#1525
800
#0F1A
900
#0911
950
#060A

Shades

Darker variations

1#12218E
2#101D7E
3#0E1A6F
4#0C165F
5#0A124F
6#080F3F
7#060B2F
8#040720
9#020410

Tints

Lighter variations

1#182BBB
2#1C32D9
3#3246E4
4#4F61E8
5#6C7BEC
6#8A96F0
7#A7B0F4
8#C4CAF7
9#E2E5FB

Tones

Muted variations

1#1B2A97
2#222F90
3#293489
4#303A82
5#373F7C
6#3E4475
7#45496E
8#4C4F67
9#525460

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F3
#F1F3FD
BackgroundsSubtle highlightsCard backgrounds
100
DFE3
#DFE3FB
Light backgroundsTable row hoverSkeleton loading
200
C4CA
#C4CAF7
Secondary backgroundsInput backgroundsDividers
300
97A2
#97A2F2
BordersInactive statesPlaceholder text
400
6171
#6171EA
Disabled statesSecondary iconsMuted text
500
3449
#3449E5
Primary brand colorCTAsActive elementsLinks
600
1A2E
#1A2EC7
Hover statesFocus ringsPrimary buttons hover
700
1525
#15259E
Active/pressed statesDark mode accentsSecondary text
800
0F1A
#0F1A71
Text on light backgroundsHeadingsStrong borders
900
0911
#091148
Primary textHigh emphasis contentDark headings
950
060A
#060A2D
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F3FD;
  --cobalt-100: #DFE3FB;
  --cobalt-200: #C4CAF7;
  --cobalt-300: #97A2F2;
  --cobalt-400: #6171EA;
  --cobalt-500: #3449E5;
  --cobalt-600: #1A2EC7;
  --cobalt-700: #15259E;
  --cobalt-800: #0F1A71;
  --cobalt-900: #091148;
  --cobalt-950: #060A2D;
}
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