#291F3B

#291F3B

Color Values

HEX

#291F3B

RGB

41, 31, 59

HSL

261.4, 31.1%, 17.6%

HSV

261.4, 47.5%, 23.1%

CMYK

30.5%, 47.5%, 0.0%, 76.9%

OKLCH

0.2653 0.0523 299.3

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#291F3B

#313B1F

Analogous

#1F233B

#371F3B

#291F3B

Triadic

#291F3B

#3B291F

#1F3B29

Split Complementary

#291F3B

#3B371F

#233B1F

Tetradic

#291F3B

#3B1F23

#313B1F

#1F3B37

Color Blindness Simulation

Original

#291F3B

Protanopia

#252534

Deuteranopia

#252633

Tritanopia

#282F2E

Achromatopsia

#232323

CSS Usage

background-color: #291F3B;
color: #291F3B;
border-color: #291F3B;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F5F9
100
#ECE8F2
200
#D8D0E6
300
#BCAFD5
400
#9883BE
500
#7458A7
600
#5D4686
700
#4A386B
800
#3A2C54
900
#2D233E
950
#1C1627

Contrast Checker

Text on white

15.52:1

AA Pass AAA Pass

Text on black

1.35:1

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