#3121B0

#3121B0

Color Values

HEX

#3121B0

RGB

49, 33, 176

HSL

246.7, 68.4%, 41.0%

HSV

246.7, 81.2%, 69.0%

CMYK

72.2%, 81.2%, 0.0%, 31.0%

OKLCH

0.3877 0.209 275.5

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#3121B0

#A0B021

Analogous

#2159B0

#7921B0

#3121B0

Triadic

#3121B0

#B03121

#21B031

Split Complementary

#3121B0

#B07921

#59B021

Tetradic

#3121B0

#B02159

#A0B021

#21B079

Color Blindness Simulation

Original

#3121B0

Protanopia

#2A2A8D

Deuteranopia

#2B2C85

Tritanopia

#30726C

Achromatopsia

#2F2F2F

CSS Usage

background-color: #3121B0;
color: #3121B0;
border-color: #3121B0;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F3FC
100
#E5E3F8
200
#C8C3F4
300
#A198EC
400
#6F60E1
500
#3C28D7
600
#3020AC
700
#261A89
800
#1E146B
900
#19134E
950
#100C31

Contrast Checker

Text on white

10.63:1

AA Pass AAA Pass

Text on black

1.98:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026