#331B36

#331B36

Color Values

HEX

#331B36

RGB

51, 27, 54

HSL

293,3, 33,3%, 15,9%

HSV

293,3, 50,0%, 21,2%

CMYK

5,6%, 50,0%, 0,0%, 78,8%

OKLCH

0,2669 0,0584 323,0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#331B36

#1E361B

Analogous

#261B36

#361B2C

#331B36

Triadic

#331B36

#36331B

#1B3633

Split Complementary

#331B36

#2C361B

#1B3626

Tetradic

#331B36

#36261B

#1E361B

#1B2C36

Color Blindness Simulation

Original

#331B36

Protanopia

#29282F

Deuteranopia

#2A2C2E

Tritanopia

#322A29

Achromatopsia

#222222

CSS Usage

background-color: #331B36;
color: #331B36;
border-color: #331B36;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F9F5FA
100
#F1E8F2
200
#E5CFE7
300
#D2ADD6
400
#B981C0
500
#A055AA
600
#804488
700
#67366D
800
#502B55
900
#3C223F
950
#261528

Contrast Checker

Text on white

15,55:1

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