#0303AB

#0303AB

Color Values

HEX

#0303AB

RGB

3, 3, 171

HSL

240.0, 96.6%, 34.1%

HSV

240.0, 98.2%, 67.1%

CMYK

98.2%, 98.2%, 0.0%, 32.9%

OKLCH

0.3376 0.2304 264.6

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#0303AB

#ABAB03

Analogous

#0357AB

#5703AB

#0303AB

Triadic

#0303AB

#AB0303

#03AB03

Split Complementary

#0303AB

#AB5703

#57AB03

Tetradic

#0303AB

#AB0357

#ABAB03

#03AB57

Color Blindness Simulation

Original

#0303AB

Protanopia

#030382

Deuteranopia

#030379

Tritanopia

#03625B

Achromatopsia

#0F0F0F

CSS Usage

background-color: #0303AB;
color: #0303AB;
border-color: #0303AB;
Nearest Tailwind: Violet 800 #5B21B6

Tailwind Shades

50
#F1F1FE
100
#DEDEFC
200
#B9B9FE
300
#8787FD
400
#4646FC
500
#0404FB
600
#0303C9
700
#0303A0
800
#02027D
900
#06065B
950
#040439

Contrast Checker

Text on white

13.08:1

AA Pass AAA Pass

Text on black

1.6:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

1月 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

1月 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

1月 15, 2026