Cobalt

#374CA9

Blue

Color Codes

All color formats for development

HEX
#374CA9
RGB
rgb(55, 76, 169)
HSL
hsl(229, 51%, 44%)
OKLCH
oklch(0.454 0.151 269.8)
CMYK
cmyk(67%, 55%, 0%, 34%)

Accessibility

WCAG contrast compliance

On White Background

7.58:1

AA AAA

On Black Background

2.77:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E4E7
200
#CDD3
300
#A6B1
400
#7889
500
#5267
600
#374C
700
#2C3C
800
#1F2B
900
#141C
950
#0C11

Shades

Darker variations

1#314498
2#2C3D88
3#263577
4#212E66
5#1B2655
6#161E44
7#101733
8#0B0F22
9#050811

Tints

Lighter variations

1#3E56BF
2#5268C7
3#687BCE
4#7E8ED5
5#93A1DC
6#A9B3E3
7#BEC6EA
8#D4D9F1
9#E9ECF8

Tones

Muted variations

1#3D50A4
2#42539E
3#485798
4#4E5A93
5#545E8D
6#596287
7#5F6581
8#65697C
9#6A6D76

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FB
BackgroundsSubtle highlightsCard backgrounds
100
E4E7
#E4E7F6
Light backgroundsTable row hoverSkeleton loading
200
CDD3
#CDD3EF
Secondary backgroundsInput backgroundsDividers
300
A6B1
#A6B1E2
BordersInactive statesPlaceholder text
400
7889
#7889D3
Disabled statesSecondary iconsMuted text
500
5267
#5267C7
Primary brand colorCTAsActive elementsLinks
600
374C
#374CA9
Hover statesFocus ringsPrimary buttons hover
700
2C3C
#2C3C87
Active/pressed statesDark mode accentsSecondary text
800
1F2B
#1F2B60
Text on light backgroundsHeadingsStrong borders
900
141C
#141C3E
Primary textHigh emphasis contentDark headings
950
0C11
#0C1127
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FB;
  --cobalt-100: #E4E7F6;
  --cobalt-200: #CDD3EF;
  --cobalt-300: #A6B1E2;
  --cobalt-400: #7889D3;
  --cobalt-500: #5267C7;
  --cobalt-600: #374CA9;
  --cobalt-700: #2C3C87;
  --cobalt-800: #1F2B60;
  --cobalt-900: #141C3E;
  --cobalt-950: #0C1127;
}
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