#3121AE

#3121AE

Color Values

HEX

#3121AE

RGB

49, 33, 174

HSL

246.8, 68.1%, 40.6%

HSV

246.8, 81.0%, 68.2%

CMYK

71.8%, 81.0%, 0.0%, 31.8%

OKLCH

0.3855 0.2066 275.7

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#3121AE

#9EAE21

Analogous

#2158AE

#7821AE

#3121AE

Triadic

#3121AE

#AE3121

#21AE31

Split Complementary

#3121AE

#AE7821

#58AE21

Tetradic

#3121AE

#AE2158

#9EAE21

#21AE78

Color Blindness Simulation

Original

#3121AE

Protanopia

#2A2A8C

Deuteranopia

#2B2C84

Tritanopia

#30716B

Achromatopsia

#2F2F2F

CSS Usage

background-color: #3121AE;
color: #3121AE;
border-color: #3121AE;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F3FC
100
#E5E3F7
200
#C8C3F4
300
#A298EB
400
#6F60E1
500
#3C29D6
600
#3021AB
700
#271A89
800
#1E146B
900
#19134E
950
#100C31

Contrast Checker

Text on white

10.72:1

AA Pass AAA Pass

Text on black

1.96:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026