Cobalt

#254A8D

Blue

Color Codes

All color formats for development

HEX
#254A8D
RGB
rgb(37, 74, 141)
HSL
hsl(219, 58%, 35%)
OKLCH
oklch(0.42 0.119 261.2)
CMYK
cmyk(74%, 48%, 0%, 45%)

Accessibility

WCAG contrast compliance

On White Background

8.60:1

AA AAA

On Black Background

2.44:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F6
100
#E3EA
200
#CBD8
300
#A2BA
400
#7296
500
#4A78
600
#2F5D
700
#254A
800
#1B35
900
#1122
950
#0B15

Shades

Darker variations

1#22427F
2#1E3B71
3#1A3463
4#162C55
5#132547
6#0F1D38
7#0B162A
8#070F1C
9#04070E

Tints

Lighter variations

1#2C57A7
2#3365C1
3#4877CE
4#628AD5
5#7C9EDC
6#96B1E3
7#B0C5EA
8#CBD8F1
9#E5ECF8

Tones

Muted variations

1#2B4B88
2#304D83
3#354E7D
4#3A5078
5#3F5173
6#45536E
7#4A5569
8#4F5664
9#54585E

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F6
#F3F6FC
BackgroundsSubtle highlightsCard backgrounds
100
E3EA
#E3EAF8
Light backgroundsTable row hoverSkeleton loading
200
CBD8
#CBD8F1
Secondary backgroundsInput backgroundsDividers
300
A2BA
#A2BAE6
BordersInactive statesPlaceholder text
400
7296
#7296DA
Disabled statesSecondary iconsMuted text
500
4A78
#4A78CF
Primary brand colorCTAsActive elementsLinks
600
2F5D
#2F5DB1
Hover statesFocus ringsPrimary buttons hover
700
254A
#254A8D
Active/pressed statesDark mode accentsSecondary text
800
1B35
#1B3565
Text on light backgroundsHeadingsStrong borders
900
1122
#112240
Primary textHigh emphasis contentDark headings
950
0B15
#0B1528
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F6FC;
  --cobalt-100: #E3EAF8;
  --cobalt-200: #CBD8F1;
  --cobalt-300: #A2BAE6;
  --cobalt-400: #7296DA;
  --cobalt-500: #4A78CF;
  --cobalt-600: #2F5DB1;
  --cobalt-700: #254A8D;
  --cobalt-800: #1B3565;
  --cobalt-900: #112240;
  --cobalt-950: #0B1528;
}
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