#5B667F

#5B667F

Color Values

HEX

#5B667F

RGB

91, 102, 127

HSL

221.7, 16.5%, 42.7%

HSV

221.7, 28.3%, 49.8%

CMYK

28.3%, 19.7%, 0.0%, 50.2%

OKLCH

0.5105 0.0421 266.3

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#5B667F

#7F745B

Analogous

#5B787F

#625B7F

#5B667F

Triadic

#5B667F

#7F5B66

#667F5B

Split Complementary

#5B667F

#7F625B

#787F5B

Tetradic

#5B667F

#7F5B78

#7F745B

#5B7F62

Color Blindness Simulation

Original

#5B667F

Protanopia

#606079

Deuteranopia

#5F5E77

Tritanopia

#5C7473

Achromatopsia

#656565

CSS Usage

background-color: #5B667F;
color: #5B667F;
border-color: #5B667F;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F8
100
#EBECF0
200
#D5D9E1
300
#B8BECC
400
#919BB0
500
#6A7795
600
#555F77
700
#444C5F
800
#353C4A
900
#292E38
950
#1A1D23

Contrast Checker

Text on white

5.75:1

AA Pass AAA Fail

Text on black

3.65:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026