Charcoal

#15313C

Blue

Color Codes

All color formats for development

HEX
#15313C
RGB
rgb(21, 49, 60)
HSL
hsl(197, 48%, 16%)
OKLCH
oklch(0.297 0.039 226.1)
CMYK
cmyk(65%, 18%, 0%, 76%)

Accessibility

WCAG contrast compliance

On White Background

13.67:1

AA AAA

On Black Background

1.54:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F4F9
100
#E5F1
200
#CEE5
300
#A8D1
400
#7BB8
500
#55A4
600
#3A88
700
#2E6C
800
#214D
900
#1531
950
#0D1F

Shades

Darker variations

1#132C36
2#112730
3#0F232A
4#0D1E24
5#0B191E
6#081418
7#060F12
8#040A0C
9#020506

Tints

Lighter variations

1#204B5C
2#2B657C
3#377F9B
4#4299BB
5#60AAC7
6#80BBD2
7#A0CCDE
8#C0DDE9
9#DFEEF4

Tones

Muted variations

1#17303A
2#193038
3#1B2F37
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
CEE5
#CEE5EE
Secondary backgroundsInput backgroundsDividers
300
A8D1
#A8D1E1
BordersInactive statesPlaceholder text
400
7BB8
#7BB8D1
Disabled statesSecondary iconsMuted text
500
55A4
#55A4C3
Primary brand colorCTAsActive elementsLinks
600
3A88
#3A88A6
Hover statesFocus ringsPrimary buttons hover
700
2E6C
#2E6C84
Active/pressed statesDark mode accentsSecondary text
800
214D
#214D5E
Text on light backgroundsHeadingsStrong borders
900
1531
#15313C
Primary textHigh emphasis contentDark headings
950
0D1F
#0D1F26
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --charcoal-50: #F4F9FB;
  --charcoal-100: #E5F1F6;
  --charcoal-200: #CEE5EE;
  --charcoal-300: #A8D1E1;
  --charcoal-400: #7BB8D1;
  --charcoal-500: #55A4C3;
  --charcoal-600: #3A88A6;
  --charcoal-700: #2E6C84;
  --charcoal-800: #214D5E;
  --charcoal-900: #15313C;
  --charcoal-950: #0D1F26;
}
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