#291B3A

#291B3A

Color Values

HEX

#291B3A

RGB

41, 27, 58

HSL

267.1, 36.5%, 16.7%

HSV

267.1, 53.4%, 22.7%

CMYK

29.3%, 53.4%, 0.0%, 77.3%

OKLCH

0.2559 0.0588 303.3

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#291B3A

#2C3A1B

Analogous

#1B1D3A

#391B3A

#291B3A

Triadic

#291B3A

#3A291B

#1B3A29

Split Complementary

#291B3A

#3A391B

#1D3A1B

Tetradic

#291B3A

#3A1B1D

#2C3A1B

#1B3A39

Color Blindness Simulation

Original

#291B3A

Protanopia

#232333

Deuteranopia

#242531

Tritanopia

#282D2B

Achromatopsia

#202020

CSS Usage

background-color: #291B3A;
color: #291B3A;
border-color: #291B3A;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F5FA
100
#EDE8F3
200
#DACEE8
300
#C0ABD8
400
#9D7EC3
500
#7B51AE
600
#62418B
700
#4F346F
800
#3E2857
900
#2F2140
950
#1E1529

Contrast Checker

Text on white

16.0:1

AA Pass AAA Pass

Text on black

1.31:1

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