#40314D

#40314D

Color Values

HEX

#40314D

RGB

64, 49, 77

HSL

272.1, 22.2%, 24.7%

HSV

272.1, 36.4%, 30.2%

CMYK

16.9%, 36.4%, 0.0%, 69.8%

OKLCH

0.3421 0.0515 308.4

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#40314D

#3E4D31

Analogous

#32314D

#4D314C

#40314D

Triadic

#40314D

#4D4031

#314D40

Split Complementary

#40314D

#4C4D31

#314D32

Tetradic

#40314D

#4D3231

#3E4D31

#314C4D

Color Blindness Simulation

Original

#40314D

Protanopia

#3A3946

Deuteranopia

#3A3C45

Tritanopia

#3F4140

Achromatopsia

#363636

CSS Usage

background-color: #40314D;
color: #40314D;
border-color: #40314D;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F7F6F9
100
#EDEAF1
200
#DCD3E3
300
#C3B4CF
400
#A28CB6
500
#81639C
600
#684F7D
700
#533F64
800
#41324E
900
#31273A
950
#1F1825

Contrast Checker

Text on white

11.9:1

AA Pass AAA Pass

Text on black

1.76:1

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