Cobalt

#215F91

Blue

Color Codes

All color formats for development

HEX
#215F91
RGB
rgb(33, 95, 145)
HSL
hsl(207, 63%, 35%)
OKLCH
oklch(0.471 0.102 246.8)
CMYK
cmyk(77%, 34%, 0%, 43%)

Accessibility

WCAG contrast compliance

On White Background

6.75:1

AA AAA

On Black Background

3.11:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F8
100
#E2EE
200
#C9E0
300
#9FC8
400
#6EAB
500
#4493
600
#2A77
700
#215F
800
#1844
900
#0F2B
950
#091B

Shades

Darker variations

1#1E5583
2#1A4C74
3#174266
4#143957
5#112F49
6#0D263A
7#0A1C2C
8#07131D
9#03090F

Tints

Lighter variations

1#2770AC
2#2D82C8
3#4292D4
4#5DA2DA
5#78B1E0
6#93C1E6
7#AED0ED
8#C9E0F3
9#E4EFF9

Tones

Muted variations

1#275E8C
2#2C5E86
3#325D81
4#385D7B
5#3D5C75
6#435B70
7#485B6A
8#4E5A64
9#545A5F

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F8
#F3F8FC
BackgroundsSubtle highlightsCard backgrounds
100
E2EE
#E2EEF8
Light backgroundsTable row hoverSkeleton loading
200
C9E0
#C9E0F3
Secondary backgroundsInput backgroundsDividers
300
9FC8
#9FC8E9
BordersInactive statesPlaceholder text
400
6EAB
#6EABDE
Disabled statesSecondary iconsMuted text
500
4493
#4493D5
Primary brand colorCTAsActive elementsLinks
600
2A77
#2A77B7
Hover statesFocus ringsPrimary buttons hover
700
215F
#215F91
Active/pressed statesDark mode accentsSecondary text
800
1844
#184468
Text on light backgroundsHeadingsStrong borders
900
0F2B
#0F2B43
Primary textHigh emphasis contentDark headings
950
091B
#091B2A
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --cobalt-50: #F3F8FC;
  --cobalt-100: #E2EEF8;
  --cobalt-200: #C9E0F3;
  --cobalt-300: #9FC8E9;
  --cobalt-400: #6EABDE;
  --cobalt-500: #4493D5;
  --cobalt-600: #2A77B7;
  --cobalt-700: #215F91;
  --cobalt-800: #184468;
  --cobalt-900: #0F2B43;
  --cobalt-950: #091B2A;
}
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