#402F47

#402F47

Color Values

HEX

#402F47

RGB

64, 47, 71

HSL

282.5, 20.3%, 23.1%

HSV

282.5, 33.8%, 27.8%

CMYK

9.9%, 33.8%, 0.0%, 72.2%

OKLCH

0.3346 0.0469 315.8

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#402F47

#36472F

Analogous

#342F47

#472F42

#402F47

Triadic

#402F47

#47402F

#2F4740

Split Complementary

#402F47

#42472F

#2F4734

Tetradic

#402F47

#47342F

#36472F

#2F4247

Color Blindness Simulation

Original

#402F47

Protanopia

#393841

Deuteranopia

#3A3B40

Tritanopia

#3F3D3C

Achromatopsia

#343434

CSS Usage

background-color: #402F47;
color: #402F47;
border-color: #402F47;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F8F6F9
100
#EEEAF0
200
#DED4E3
300
#C7B5CE
400
#A98DB4
500
#8A6699
600
#6F517B
700
#594162
800
#45334D
900
#342839
950
#211924

Contrast Checker

Text on white

12.24:1

AA Pass AAA Pass

Text on black

1.72:1

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