Cobalt

#25548D

Blue

Color Codes

All color formats for development

HEX
#25548D
RGB
rgb(37, 84, 141)
HSL
hsl(213, 58%, 35%)
OKLCH
oklch(0.443 0.107 254.9)
CMYK
cmyk(74%, 40%, 0%, 45%)

Accessibility

WCAG contrast compliance

On White Background

7.69:1

AA AAA

On Black Background

2.73:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F7
100
#E3EC
200
#CBDC
300
#A2C1
400
#72A1
500
#4A86
600
#2F6A
700
#2554
800
#1B3C
900
#1126
950
#0B18

Shades

Darker variations

1#224C7F
2#1E4371
3#1A3B63
4#163255
5#132A47
6#0F2238
7#0B192A
8#07111C
9#04080E

Tints

Lighter variations

1#2C64A7
2#3373C1
3#4884CE
4#6296D5
5#7CA7DC
6#96B9E3
7#B0CAEA
8#CBDCF1
9#E5EDF8

Tones

Muted variations

1#2B5588
2#305583
3#35567D
4#3A5678
5#3F5773
6#45576E
7#4A5869
8#4F5864
9#54595E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F7
#F3F7FC
BackgroundsSubtle highlightsCard backgrounds
100
E3EC
#E3ECF8
Light backgroundsTable row hoverSkeleton loading
200
CBDC
#CBDCF1
Secondary backgroundsInput backgroundsDividers
300
A2C1
#A2C1E6
BordersInactive statesPlaceholder text
400
72A1
#72A1DA
Disabled statesSecondary iconsMuted text
500
4A86
#4A86CF
Primary brand colorCTAsActive elementsLinks
600
2F6A
#2F6AB1
Hover statesFocus ringsPrimary buttons hover
700
2554
#25548D
Active/pressed statesDark mode accentsSecondary text
800
1B3C
#1B3C65
Text on light backgroundsHeadingsStrong borders
900
1126
#112640
Primary textHigh emphasis contentDark headings
950
0B18
#0B1828
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F7FC;
  --cobalt-100: #E3ECF8;
  --cobalt-200: #CBDCF1;
  --cobalt-300: #A2C1E6;
  --cobalt-400: #72A1DA;
  --cobalt-500: #4A86CF;
  --cobalt-600: #2F6AB1;
  --cobalt-700: #25548D;
  --cobalt-800: #1B3C65;
  --cobalt-900: #112640;
  --cobalt-950: #0B1828;
}
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