#3F31BE

#3F31BE

Color Values

HEX

#3F31BE

RGB

63, 49, 190

HSL

246.0, 59.0%, 46.9%

HSV

246.0, 74.2%, 74.5%

CMYK

66.8%, 74.2%, 0.0%, 25.5%

OKLCH

0.4324 0.208 277.6

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3F31BE

#B0BE31

Analogous

#3169BE

#8631BE

#3F31BE

Triadic

#3F31BE

#BE3F31

#31BE3F

Split Complementary

#3F31BE

#BE8631

#69BE31

Tetradic

#3F31BE

#BE3169

#B0BE31

#31BE86

Color Blindness Simulation

Original

#3F31BE

Protanopia

#39399C

Deuteranopia

#3A3B94

Tritanopia

#3E817B

Achromatopsia

#3E3E3E

CSS Usage

background-color: #3F31BE;
color: #3F31BE;
border-color: #3F31BE;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F4FB
100
#E6E4F6
200
#CAC6F0
300
#A59EE6
400
#7469D8
500
#4334CB
600
#362AA2
700
#2B2182
800
#221A65
900
#1C174A
950
#120E2F

Contrast Checker

Text on white

8.77:1

AA Pass AAA Pass

Text on black

2.39:1

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