#3F38B3

#3F38B3

Color Values

HEX

#3F38B3

RGB

63, 56, 179

HSL

243.4, 52.3%, 46.1%

HSV

243.4, 68.7%, 70.2%

CMYK

64.8%, 68.7%, 0.0%, 29.8%

OKLCH

0.432 0.187 277.7

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3F38B3

#ACB338

Analogous

#386FB3

#7D38B3

#3F38B3

Triadic

#3F38B3

#B33F38

#38B33F

Split Complementary

#3F38B3

#B37D38

#6FB338

Tetradic

#3F38B3

#B3386F

#ACB338

#38B37D

Color Blindness Simulation

Original

#3F38B3

Protanopia

#3C3C95

Deuteranopia

#3C3D8E

Tritanopia

#3F7E79

Achromatopsia

#424242

CSS Usage

background-color: #3F38B3;
color: #3F38B3;
border-color: #3F38B3;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CBC9EE
300
#A5A2E2
400
#756FD2
500
#443DC2
600
#37319B
700
#2C277C
800
#221E61
900
#1C1A47
950
#12102D

Contrast Checker

Text on white

8.65:1

AA Pass AAA Pass

Text on black

2.43:1

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