#3131AF

#3131AF

Color Values

HEX

#3131AF

RGB

49, 49, 175

HSL

240,0, 56,2%, 43,9%

HSV

240,0, 72,0%, 68,6%

CMYK

72,0%, 72,0%, 0,0%, 31,4%

OKLCH

0,4078 0,1929 273,7

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3131AF

#AFAF31

Analogous

#3170AF

#7031AF

#3131AF

Triadic

#3131AF

#AF3131

#31AF31

Split Complementary

#3131AF

#AF7031

#70AF31

Tetradic

#3131AF

#AF3170

#AFAF31

#31AF70

Color Blindness Simulation

Original

#3131AF

Protanopia

#313191

Deuteranopia

#313189

Tritanopia

#317873

Achromatopsia

#3A3A3A

CSS Usage

background-color: #3131AF;
color: #3131AF;
border-color: #3131AF;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E5E5F6
200
#C7C7EF
300
#9F9FE4
400
#6C6CD6
500
#3838C7
600
#2D2D9F
700
#24247F
800
#1C1C64
900
#181849
950
#0F0F2E

Contrast Checker

Text on white

9,59:1

AA Pass AAA Pass

Text on black

2,19:1

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