#2D286B

#2D286B

Color Values

HEX

#2D286B

RGB

45, 40, 107

HSL

244.5, 45.6%, 28.8%

HSV

244.5, 62.6%, 42.0%

CMYK

57.9%, 62.6%, 0.0%, 58.0%

OKLCH

0.3249 0.1127 281.5

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#2D286B

#666B28

Analogous

#28446B

#4E286B

#2D286B

Triadic

#2D286B

#6B2D28

#286B2D

Split Complementary

#2D286B

#6B4E28

#446B28

Tetradic

#2D286B

#6B2844

#666B28

#286B4E

Color Blindness Simulation

Original

#2D286B

Protanopia

#2B2B5B

Deuteranopia

#2B2C57

Tritanopia

#2D4E4B

Achromatopsia

#2E2E2E

CSS Usage

background-color: #2D286B;
color: #2D286B;
border-color: #2D286B;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CDCBEC
300
#AAA6DE
400
#7C76CC
500
#4E45BA
600
#3E3795
700
#322C77
800
#27235D
900
#201D44
950
#14122B

Contrast Checker

Text on white

12.9:1

AA Pass AAA Pass

Text on black

1.63:1

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