Cobalt

#254B8D

Blue

Color Codes

All color formats for development

HEX
#254B8D
RGB
rgb(37, 75, 141)
HSL
hsl(218, 58%, 35%)
OKLCH
oklch(0.422 0.118 260.6)
CMYK
cmyk(74%, 47%, 0%, 45%)

Accessibility

WCAG contrast compliance

On White Background

8.50:1

AA AAA

On Black Background

2.47:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F6
100
#E3EA
200
#CBD9
300
#A2BB
400
#7298
500
#4A7B
600
#2F5F
700
#254B
800
#1B36
900
#1122
950
#0B16

Shades

Darker variations

1#22447F
2#1E3C71
3#1A3563
4#162D55
5#132647
6#0F1E38
7#0B172A
8#070F1C
9#04080E

Tints

Lighter variations

1#2C59A7
2#3367C1
3#4879CE
4#628CD5
5#7C9FDC
6#96B2E3
7#B0C6EA
8#CBD9F1
9#E5ECF8

Tones

Muted variations

1#2B4D88
2#304E83
3#35507D
4#3A5178
5#3F5273
6#45546E
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
CBD9
#CBD9F1
Secondary backgroundsInput backgroundsDividers
300
A2BB
#A2BBE6
BordersInactive statesPlaceholder text
400
7298
#7298DA
Disabled statesSecondary iconsMuted text
500
4A7B
#4A7BCF
Primary brand colorCTAsActive elementsLinks
600
2F5F
#2F5FB1
Hover statesFocus ringsPrimary buttons hover
700
254B
#254B8D
Active/pressed statesDark mode accentsSecondary text
800
1B36
#1B3665
Text on light backgroundsHeadingsStrong borders
900
1122
#112240
Primary textHigh emphasis contentDark headings
950
0B16
#0B1628
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F6FC;
  --cobalt-100: #E3EAF8;
  --cobalt-200: #CBD9F1;
  --cobalt-300: #A2BBE6;
  --cobalt-400: #7298DA;
  --cobalt-500: #4A7BCF;
  --cobalt-600: #2F5FB1;
  --cobalt-700: #254B8D;
  --cobalt-800: #1B3665;
  --cobalt-900: #112240;
  --cobalt-950: #0B1628;
}
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