Charcoal

#15173D

Blue

Color Codes

All color formats for development

HEX
#15173D
RGB
rgb(21, 23, 61)
HSL
hsl(237, 49%, 16%)
OKLCH
oklch(0.228 0.072 276.8)
CMYK
cmyk(66%, 62%, 0%, 76%)

Accessibility

WCAG contrast compliance

On White Background

17.19:1

AA AAA

On Black Background

1.22:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F4
100
#E4E5
200
#CECF
300
#A8AA
400
#7A7E
500
#545A
600
#393F
700
#2E32
800
#2124
900
#1517
950
#0D0E

Shades

Darker variations

1#131537
2#111231
3#0F102B
4#0C0E24
5#0A0B1E
6#080918
7#060712
8#04050C
9#020206

Tints

Lighter variations

1#20235D
2#2B2F7D
3#363B9D
4#4147BC
5#5F65C8
6#7F84D3
7#9FA2DE
8#BFC1E9
9#DFE0F4

Tones

Muted variations

1#17193B
2#191A39
3#1B1C37
4#1D1E35
5#1F2033
6#212231
7#23232F
8#25252D
9#27272B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F4F4
#F4F4FB
BackgroundsSubtle highlightsCard backgrounds
100
E4E5
#E4E5F6
Light backgroundsTable row hoverSkeleton loading
200
CECF
#CECFEE
Secondary backgroundsInput backgroundsDividers
300
A8AA
#A8AAE1
BordersInactive statesPlaceholder text
400
7A7E
#7A7ED1
Disabled statesSecondary iconsMuted text
500
545A
#545AC4
Primary brand colorCTAsActive elementsLinks
600
393F
#393FA7
Hover statesFocus ringsPrimary buttons hover
700
2E32
#2E3285
Active/pressed statesDark mode accentsSecondary text
800
2124
#21245F
Text on light backgroundsHeadingsStrong borders
900
1517
#15173D
Primary textHigh emphasis contentDark headings
950
0D0E
#0D0E26
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F4FB;
  --charcoal-100: #E4E5F6;
  --charcoal-200: #CECFEE;
  --charcoal-300: #A8AAE1;
  --charcoal-400: #7A7ED1;
  --charcoal-500: #545AC4;
  --charcoal-600: #393FA7;
  --charcoal-700: #2E3285;
  --charcoal-800: #21245F;
  --charcoal-900: #15173D;
  --charcoal-950: #0D0E26;
}
Generate More ShadesCreate PaletteConvert Color