#2D2B81

#2D2B81

Color Values

HEX

#2D2B81

RGB

45, 43, 129

HSL

241.4, 50.0%, 33.7%

HSV

241.4, 66.7%, 50.6%

CMYK

65.1%, 66.7%, 0.0%, 49.4%

OKLCH

0.3502 0.1403 277.3

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#2D2B81

#7F812B

Analogous

#2B5481

#582B81

#2D2B81

Triadic

#2D2B81

#812D2B

#2B812D

Split Complementary

#2D2B81

#81582B

#54812B

Tetradic

#2D2B81

#812B54

#7F812B

#2B8158

Color Blindness Simulation

Original

#2D2B81

Protanopia

#2C2C6C

Deuteranopia

#2C2C67

Tritanopia

#2D5C58

Achromatopsia

#323232

CSS Usage

background-color: #2D2B81;
color: #2D2B81;
border-color: #2D2B81;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CAC9ED
300
#A5A3E0
400
#7471D0
500
#4340BF
600
#353399
700
#2B297A
800
#212060
900
#1C1B46
950
#11112C

Contrast Checker

Text on white

11.84:1

AA Pass AAA Pass

Text on black

1.77:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026