#2B1F3B

#2B1F3B

Color Values

HEX

#2B1F3B

RGB

43, 31, 59

HSL

265.7, 31.1%, 17.6%

HSV

265.7, 47.5%, 23.1%

CMYK

27.1%, 47.5%, 0.0%, 76.9%

OKLCH

0.2677 0.0528 302.7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#2B1F3B

#2F3B1F

Analogous

#1F213B

#391F3B

#2B1F3B

Triadic

#2B1F3B

#3B2B1F

#1F3B2B

Split Complementary

#2B1F3B

#3B391F

#213B1F

Tetradic

#2B1F3B

#3B1F21

#2F3B1F

#1F3B39

Color Blindness Simulation

Original

#2B1F3B

Protanopia

#262634

Deuteranopia

#262733

Tritanopia

#2A2F2E

Achromatopsia

#242424

CSS Usage

background-color: #2B1F3B;
color: #2B1F3B;
border-color: #2B1F3B;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F5F9
100
#ECE8F2
200
#DAD0E6
300
#BFAFD5
400
#9C83BE
500
#7A58A7
600
#614686
700
#4E386B
800
#3D2C54
900
#2F233E
950
#1D1627

Contrast Checker

Text on white

15.42:1

AA Pass AAA Pass

Text on black

1.36:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026