Cobalt

#213BC0

Blue

Color Codes

All color formats for development

HEX
#213BC0
RGB
rgb(33, 59, 192)
HSL
hsl(230, 71%, 44%)
OKLCH
oklch(0.433 0.208 267.2)
CMYK
cmyk(83%, 69%, 0%, 25%)

Accessibility

WCAG contrast compliance

On White Background

8.57:1

AA AAA

On Black Background

2.45:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F2F4
100
#E0E5
200
#C6CE
300
#9BA9
400
#667C
500
#3B56
600
#213B
700
#1A2F
800
#1222
900
#0C15
950
#070D

Shades

Darker variations

1#1D35AD
2#1A2F99
3#172986
4#142373
5#101E60
6#0D184D
7#0A123A
8#070C26
9#030613

Tints

Lighter variations

1#2543D8
2#3C57DE
3#546CE2
4#6C81E6
5#8596EA
6#9DABEE
7#B6C0F3
8#CED5F7
9#E7EAFB

Tones

Muted variations

1#2940B8
2#3046B0
3#384BA8
4#4050A0
5#485698
6#505B90
7#586088
8#606680
9#686B78

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F2F4
#F2F4FD
BackgroundsSubtle highlightsCard backgrounds
100
E0E5
#E0E5FA
Light backgroundsTable row hoverSkeleton loading
200
C6CE
#C6CEF5
Secondary backgroundsInput backgroundsDividers
300
9BA9
#9BA9EE
BordersInactive statesPlaceholder text
400
667C
#667CE5
Disabled statesSecondary iconsMuted text
500
3B56
#3B56DE
Primary brand colorCTAsActive elementsLinks
600
213B
#213BC0
Hover statesFocus ringsPrimary buttons hover
700
1A2F
#1A2F99
Active/pressed statesDark mode accentsSecondary text
800
1222
#12226D
Text on light backgroundsHeadingsStrong borders
900
0C15
#0C1546
Primary textHigh emphasis contentDark headings
950
070D
#070D2C
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F2F4FD;
  --cobalt-100: #E0E5FA;
  --cobalt-200: #C6CEF5;
  --cobalt-300: #9BA9EE;
  --cobalt-400: #667CE5;
  --cobalt-500: #3B56DE;
  --cobalt-600: #213BC0;
  --cobalt-700: #1A2F99;
  --cobalt-800: #12226D;
  --cobalt-900: #0C1546;
  --cobalt-950: #070D2C;
}
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