#434F5B

#434F5B

Color Values

HEX

#434F5B

RGB

67, 79, 91

HSL

210.0, 15.2%, 31.0%

HSV

210.0, 26.4%, 35.7%

CMYK

26.4%, 13.2%, 0.0%, 64.3%

OKLCH

0.4218 0.0252 248.4

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#434F5B

#5B4F43

Analogous

#435B5B

#43435B

#434F5B

Triadic

#434F5B

#5B434F

#4F5B43

Split Complementary

#434F5B

#5B4343

#5B5B43

Tetradic

#434F5B

#5B435B

#5B4F43

#435B43

Color Blindness Simulation

Original

#434F5B

Protanopia

#484858

Deuteranopia

#484757

Tritanopia

#445655

Achromatopsia

#4D4D4D

CSS Usage

background-color: #434F5B;
color: #434F5B;
border-color: #434F5B;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F6F7F8
100
#EBEDEF
200
#D6DBE1
300
#B8C2CB
400
#92A1AF
500
#6C8093
600
#566676
700
#45525E
800
#364049
900
#2A3037
950
#1A1F23

Contrast Checker

Text on white

8.37:1

AA Pass AAA Pass

Text on black

2.51:1

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