Charcoal

#15303C

Blue

Color Codes

All color formats for development

HEX
#15303C
RGB
rgb(21, 48, 60)
HSL
hsl(198, 48%, 16%)
OKLCH
oklch(0.294 0.039 229.1)
CMYK
cmyk(65%, 20%, 0%, 76%)

Accessibility

WCAG contrast compliance

On White Background

13.82:1

AA AAA

On Black Background

1.52:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F9
100
#E5F1
200
#CEE4
300
#A8D0
400
#7BB7
500
#55A2
600
#3A86
700
#2E6A
800
#214C
900
#1531
950
#0D1E

Shades

Darker variations

1#132C36
2#112730
3#0F222A
4#0D1D24
5#0B181E
6#081318
7#060F12
8#040A0C
9#020506

Tints

Lighter variations

1#204A5C
2#2B647C
3#377D9B
4#4297BB
5#60A8C7
6#80BAD2
7#A0CBDE
8#C0DCE9
9#DFEEF4

Tones

Muted variations

1#17303A
2#192F38
3#1B2E37
4#1D2E35
5#1F2D33
6#212C31
7#232B2F
8#252A2D
9#272A2B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F9
#F4F9FB
BackgroundsSubtle highlightsCard backgrounds
100
E5F1
#E5F1F6
Light backgroundsTable row hoverSkeleton loading
200
CEE4
#CEE4EE
Secondary backgroundsInput backgroundsDividers
300
A8D0
#A8D0E1
BordersInactive statesPlaceholder text
400
7BB7
#7BB7D1
Disabled statesSecondary iconsMuted text
500
55A2
#55A2C3
Primary brand colorCTAsActive elementsLinks
600
3A86
#3A86A6
Hover statesFocus ringsPrimary buttons hover
700
2E6A
#2E6A84
Active/pressed statesDark mode accentsSecondary text
800
214C
#214C5E
Text on light backgroundsHeadingsStrong borders
900
1531
#15313C
Primary textHigh emphasis contentDark headings
950
0D1E
#0D1E26
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F9FB;
  --charcoal-100: #E5F1F6;
  --charcoal-200: #CEE4EE;
  --charcoal-300: #A8D0E1;
  --charcoal-400: #7BB7D1;
  --charcoal-500: #55A2C3;
  --charcoal-600: #3A86A6;
  --charcoal-700: #2E6A84;
  --charcoal-800: #214C5E;
  --charcoal-900: #15313C;
  --charcoal-950: #0D1E26;
}
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