#2F309D

#2F309D

Color Values

HEX

#2F309D

RGB

47, 48, 157

HSL

239.5, 53.9%, 40.0%

HSV

239.5, 70.1%, 61.6%

CMYK

70.1%, 69.4%, 0.0%, 38.4%

OKLCH

0.387 0.1715 274.5

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#2F309D

#9D9C2F

Analogous

#2F679D

#652F9D

#2F309D

Triadic

#2F309D

#9D2F30

#309D2F

Split Complementary

#2F309D

#9D652F

#679D2F

Tetradic

#2F309D

#9D2F67

#9D9C2F

#2F9D65

Color Blindness Simulation

Original

#2F309D

Protanopia

#2F2F83

Deuteranopia

#2F2F7C

Tritanopia

#2F6E69

Achromatopsia

#383838

CSS Usage

background-color: #2F309D;
color: #2F309D;
border-color: #2F309D;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E5E5F5
200
#C8C8EF
300
#A1A1E3
400
#6E6FD4
500
#3B3CC4
600
#2F309D
700
#26267E
800
#1D1E62
900
#191948
950
#10102D

Contrast Checker

Text on white

10.34:1

AA Pass AAA Pass

Text on black

2.03:1

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