#3131FB

#3131FB

Color Values

HEX

#3131FB

RGB

49, 49, 251

HSL

240.0, 96.2%, 58.8%

HSV

240.0, 80.5%, 98.4%

CMYK

80.5%, 80.5%, 0.0%, 1.6%

OKLCH

0.4898 0.2806 269.7

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#3131FB

#FBFB31

Analogous

#3196FB

#9631FB

#3131FB

Triadic

#3131FB

#FB3131

#31FB31

Split Complementary

#3131FB

#FB9631

#96FB31

Tetradic

#3131FB

#FB3196

#FBFB31

#31FB96

Color Blindness Simulation

Original

#3131FB

Protanopia

#3131CA

Deuteranopia

#3131BE

Tritanopia

#31A39B

Achromatopsia

#404040

CSS Usage

background-color: #3131FB;
color: #3131FB;
border-color: #3131FB;
Nearest Tailwind: Violet 600 #7C3AED

Tailwind Shades

50
#F1F1FE
100
#DFDFFC
200
#B9B9FE
300
#8787FD
400
#4646FB
500
#0505FA
600
#0404C8
700
#0303A0
800
#02027D
900
#07075A
950
#040439

Contrast Checker

Text on white

7.09:1

AA Pass AAA Pass

Text on black

2.96:1

AA Fail AAA Fail

Related Articles

Tutorials

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

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026