Cobalt

#254D8E

Blue

Color Codes

All color formats for development

HEX
#254D8E
RGB
rgb(37, 77, 142)
HSL
hsl(217, 59%, 35%)
OKLCH
oklch(0.428 0.117 259.7)
CMYK
cmyk(74%, 46%, 0%, 44%)

Accessibility

WCAG contrast compliance

On White Background

8.30:1

AA AAA

On Black Background

2.53:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F6
100
#E3EB
200
#CAD9
300
#A2BC
400
#7199
500
#497C
600
#2E61
700
#254D
800
#1A37
900
#1123
950
#0A16

Shades

Darker variations

1#214580
2#1D3E72
3#1A3663
4#162E55
5#122647
6#0F1F39
7#0B172B
8#070F1C
9#04080E

Tints

Lighter variations

1#2B5BA8
2#326AC3
3#477BCF
4#618ED6
5#7BA1DD
6#96B4E4
7#B0C6EB
8#CAD9F1
9#E5ECF8

Tones

Muted variations

1#2A4E89
2#2F4F83
3#34517E
4#3A5279
5#3F5374
6#44546E
7#495669
8#4F5764
9#54585F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F6
#F3F6FC
BackgroundsSubtle highlightsCard backgrounds
100
E3EB
#E3EBF8
Light backgroundsTable row hoverSkeleton loading
200
CAD9
#CAD9F1
Secondary backgroundsInput backgroundsDividers
300
A2BC
#A2BCE7
BordersInactive statesPlaceholder text
400
7199
#7199DA
Disabled statesSecondary iconsMuted text
500
497C
#497CD0
Primary brand colorCTAsActive elementsLinks
600
2E61
#2E61B2
Hover statesFocus ringsPrimary buttons hover
700
254D
#254D8E
Active/pressed statesDark mode accentsSecondary text
800
1A37
#1A3765
Text on light backgroundsHeadingsStrong borders
900
1123
#112341
Primary textHigh emphasis contentDark headings
950
0A16
#0A1629
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F6FC;
  --cobalt-100: #E3EBF8;
  --cobalt-200: #CAD9F1;
  --cobalt-300: #A2BCE7;
  --cobalt-400: #7199DA;
  --cobalt-500: #497CD0;
  --cobalt-600: #2E61B2;
  --cobalt-700: #254D8E;
  --cobalt-800: #1A3765;
  --cobalt-900: #112341;
  --cobalt-950: #0A1629;
}
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