Cobalt

#2A4FB7

Blue

Color Codes

All color formats for development

HEX
#2A4FB7
RGB
rgb(42, 79, 183)
HSL
hsl(224, 63%, 44%)
OKLCH
oklch(0.465 0.17 265.3)
CMYK
cmyk(77%, 57%, 0%, 28%)

Accessibility

WCAG contrast compliance

On White Background

7.24:1

AA AAA

On Black Background

2.90:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F5
100
#E2E8
200
#C9D4
300
#9FB3
400
#6E8C
500
#446B
600
#2A4F
700
#213F
800
#182D
900
#0F1D
950
#0912

Shades

Darker variations

1#2547A5
2#213F92
3#1D3780
4#19306E
5#15285B
6#112049
7#0C1837
8#081025
9#040812

Tints

Lighter variations

1#2F59CE
2#456BD5
3#5C7EDA
4#7390DF
5#8BA3E5
6#A2B5EA
7#B9C8EF
8#D0DAF4
9#E8EDFA

Tones

Muted variations

1#3153B0
2#3856A9
3#3F59A2
4#465C9B
5#4D6094
6#54638C
7#5B6685
8#626A7E
9#696D77

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F5
#F3F5FC
BackgroundsSubtle highlightsCard backgrounds
100
E2E8
#E2E8F8
Light backgroundsTable row hoverSkeleton loading
200
C9D4
#C9D4F3
Secondary backgroundsInput backgroundsDividers
300
9FB3
#9FB3E9
BordersInactive statesPlaceholder text
400
6E8C
#6E8CDE
Disabled statesSecondary iconsMuted text
500
446B
#446BD5
Primary brand colorCTAsActive elementsLinks
600
2A4F
#2A4FB7
Hover statesFocus ringsPrimary buttons hover
700
213F
#213F91
Active/pressed statesDark mode accentsSecondary text
800
182D
#182D68
Text on light backgroundsHeadingsStrong borders
900
0F1D
#0F1D43
Primary textHigh emphasis contentDark headings
950
0912
#09122A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F5FC;
  --cobalt-100: #E2E8F8;
  --cobalt-200: #C9D4F3;
  --cobalt-300: #9FB3E9;
  --cobalt-400: #6E8CDE;
  --cobalt-500: #446BD5;
  --cobalt-600: #2A4FB7;
  --cobalt-700: #213F91;
  --cobalt-800: #182D68;
  --cobalt-900: #0F1D43;
  --cobalt-950: #09122A;
}
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