Blue

#0303DD

Blue

Color Codes

All color formats for development

HEX
#0303DD
RGB
rgb(3, 3, 221)
HSL
hsl(240, 97%, 44%)
OKLCH
oklch(0.407 0.28 264.3)
CMYK
cmyk(99%, 99%, 0%, 13%)

Accessibility

WCAG contrast compliance

On White Background

10.19:1

AA AAA

On Black Background

2.06:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F0F0
100
#DCDC
200
#BEBE
300
#8B8B
400
#4F4F
500
#1D1D
600
#0303
700
#0303
800
#0202
900
#0101
950
#0101

Shades

Darker variations

1#0303C7
2#0303B1
3#02029B
4#020285
5#02026F
6#010158
7#010142
8#01012C
9#000016

Tints

Lighter variations

1#0404F9
2#1E1EFC
3#3A3AFC
4#5656FC
5#7272FD
6#8E8EFD
7#ABABFE
8#C7C7FE
9#E3E3FF

Tones

Muted variations

1#0E0ED2
2#1919C7
3#2424BC
4#2F2FB2
5#3A3AA7
6#45459C
7#505091
8#5A5A86
9#65657B

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F0F0
#F0F0FF
BackgroundsSubtle highlightsCard backgrounds
100
DCDC
#DCDCFE
Light backgroundsTable row hoverSkeleton loading
200
BEBE
#BEBEFE
Secondary backgroundsInput backgroundsDividers
300
8B8B
#8B8BFD
BordersInactive statesPlaceholder text
400
4F4F
#4F4FFC
Disabled statesSecondary iconsMuted text
500
1D1D
#1D1DFC
Primary brand colorCTAsActive elementsLinks
600
0303
#0303DD
Hover statesFocus ringsPrimary buttons hover
700
0303
#0303B0
Active/pressed statesDark mode accentsSecondary text
800
0202
#02027E
Text on light backgroundsHeadingsStrong borders
900
0101
#010150
Primary textHigh emphasis contentDark headings
950
0101
#010132
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --blue-50: #F0F0FF;
  --blue-100: #DCDCFE;
  --blue-200: #BEBEFE;
  --blue-300: #8B8BFD;
  --blue-400: #4F4FFC;
  --blue-500: #1D1DFC;
  --blue-600: #0303DD;
  --blue-700: #0303B0;
  --blue-800: #02027E;
  --blue-900: #010150;
  --blue-950: #010132;
}
Generate More ShadesCreate PaletteConvert Color