#312BA0

#312BA0

Color Values

HEX

#312BA0

RGB

49, 43, 160

HSL

243.1, 57.6%, 39.8%

HSV

243.1, 73.1%, 62.7%

CMYK

69.4%, 73.1%, 0.0%, 37.3%

OKLCH

0.3835 0.1804 276.0

Properties

Cool Dark Nearest: purple 4

Color Harmonies

Complementary

#312BA0

#9AA02B

Analogous

#2B5FA0

#6C2BA0

#312BA0

Triadic

#312BA0

#A0312B

#2BA031

Split Complementary

#312BA0

#A06C2B

#5FA02B

Tetradic

#312BA0

#A02B5F

#9AA02B

#2BA06C

Color Blindness Simulation

Original

#312BA0

Protanopia

#2E2E84

Deuteranopia

#2F2F7D

Tritanopia

#316D68

Achromatopsia

#353535

CSS Usage

background-color: #312BA0;
color: #312BA0;
border-color: #312BA0;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E5E4F6
200
#C9C7F0
300
#A29FE5
400
#706AD7
500
#3E36C9
600
#312BA1
700
#272381
800
#1F1B64
900
#1A174A
950
#100F2E

Contrast Checker

Text on white

10.59:1

AA Pass AAA Pass

Text on black

1.98:1

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