#2F28B3

#2F28B3

Color Values

HEX

#2F28B3

RGB

47, 40, 179

HSL

243.0, 63.5%, 42.9%

HSV

243.0, 77.7%, 70.2%

CMYK

73.7%, 77.7%, 0.0%, 29.8%

OKLCH

0.3982 0.2071 273.8

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#2F28B3

#ACB328

Analogous

#2866B3

#7428B3

#2F28B3

Triadic

#2F28B3

#B32F28

#28B32F

Split Complementary

#2F28B3

#B37428

#66B328

Tetradic

#2F28B3

#B32866

#ACB328

#28B374

Color Blindness Simulation

Original

#2F28B3

Protanopia

#2C2C91

Deuteranopia

#2C2D89

Tritanopia

#2F7771

Achromatopsia

#343434

CSS Usage

background-color: #2F28B3;
color: #2F28B3;
border-color: #2F28B3;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F3FB
100
#E4E4F7
200
#C7C5F2
300
#9F9BE9
400
#6B65DD
500
#372FD0
600
#2C25A7
700
#231E85
800
#1B1768
900
#18154C
950
#0F0D30

Contrast Checker

Text on white

10.12:1

AA Pass AAA Pass

Text on black

2.08:1

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