Cobalt

#1637CA

Blue

Color Codes

All color formats for development

HEX
#1637CA
RGB
rgb(22, 55, 202)
HSL
hsl(229, 80%, 44%)
OKLCH
oklch(0.434 0.226 265.7)
CMYK
cmyk(89%, 73%, 0%, 21%)

Accessibility

WCAG contrast compliance

On White Background

8.63:1

AA AAA

On Black Background

2.43:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F1F3
100
#DFE4
200
#C3CD
300
#95A7
400
#5E79
500
#3052
600
#1637
700
#122C
800
#0D1F
900
#0814
950
#050D

Shades

Darker variations

1#1432B6
2#122CA2
3#10278D
4#0D2179
5#0B1C65
6#091651
7#07113D
8#040B28
9#020614

Tints

Lighter variations

1#193EE4
2#3153E8
3#4B68EB
4#657EEE
5#7E93F1
6#98A9F4
7#B2BEF6
8#CCD4F9
9#E5E9FC

Tones

Muted variations

1#1F3DC1
2#2843B8
3#3148AF
4#3A4EA6
5#43549D
6#4C5994
7#555F8B
8#5E6582
9#676B79

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F1F3
#F1F3FD
BackgroundsSubtle highlightsCard backgrounds
100
DFE4
#DFE4FB
Light backgroundsTable row hoverSkeleton loading
200
C3CD
#C3CDF8
Secondary backgroundsInput backgroundsDividers
300
95A7
#95A7F3
BordersInactive statesPlaceholder text
400
5E79
#5E79ED
Disabled statesSecondary iconsMuted text
500
3052
#3052E8
Primary brand colorCTAsActive elementsLinks
600
1637
#1637CA
Hover statesFocus ringsPrimary buttons hover
700
122C
#122CA1
Active/pressed statesDark mode accentsSecondary text
800
0D1F
#0D1F73
Text on light backgroundsHeadingsStrong borders
900
0814
#081449
Primary textHigh emphasis contentDark headings
950
050D
#050D2E
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F1F3FD;
  --cobalt-100: #DFE4FB;
  --cobalt-200: #C3CDF8;
  --cobalt-300: #95A7F3;
  --cobalt-400: #5E79ED;
  --cobalt-500: #3052E8;
  --cobalt-600: #1637CA;
  --cobalt-700: #122CA1;
  --cobalt-800: #0D1F73;
  --cobalt-900: #081449;
  --cobalt-950: #050D2E;
}
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