Black

#03183A

Blue

Color Codes

All color formats for development

HEX
#03183A
RGB
rgb(3, 24, 58)
HSL
hsl(217, 90%, 12%)
OKLCH
oklch(0.216 0.072 258.7)
CMYK
cmyk(95%, 59%, 0%, 77%)

Accessibility

WCAG contrast compliance

On White Background

17.56:1

AA AAA

On Black Background

1.20:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F6
100
#DDE9
200
#C0D7
300
#90B8
400
#5593
500
#2574
600
#0B59
700
#0947
800
#0632
900
#0420
950
#0314

Shades

Darker variations

1#031634
2#02132F
3#021129
4#020F23
5#020C1D
6#010A17
7#010711
8#01050C
9#000206

Tints

Lighter variations

1#052A65
2#083C8F
3#0A4DBA
4#0C5FE5
5#2A77F4
6#5492F6
7#7FAEF8
8#AAC9FB
9#D4E4FD

Tones

Muted variations

1#061937
2#091935
3#0B1A32
4#0E1B2F
5#111B2C
6#141C2A
7#161D27
8#191D24
9#1C1E21

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F6
#F0F6FE
BackgroundsSubtle highlightsCard backgrounds
100
DDE9
#DDE9FD
Light backgroundsTable row hoverSkeleton loading
200
C0D7
#C0D7FC
Secondary backgroundsInput backgroundsDividers
300
90B8
#90B8F9
BordersInactive statesPlaceholder text
400
5593
#5593F6
Disabled statesSecondary iconsMuted text
500
2574
#2574F4
Primary brand colorCTAsActive elementsLinks
600
0B59
#0B59D5
Hover statesFocus ringsPrimary buttons hover
700
0947
#0947AA
Active/pressed statesDark mode accentsSecondary text
800
0632
#063279
Text on light backgroundsHeadingsStrong borders
900
0420
#04204E
Primary textHigh emphasis contentDark headings
950
0314
#031430
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --black-50: #F0F6FE;
  --black-100: #DDE9FD;
  --black-200: #C0D7FC;
  --black-300: #90B8F9;
  --black-400: #5593F6;
  --black-500: #2574F4;
  --black-600: #0B59D5;
  --black-700: #0947AA;
  --black-800: #063279;
  --black-900: #04204E;
  --black-950: #031430;
}
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