#434F66

#434F66

Color Values

HEX

#434F66

RGB

67, 79, 102

HSL

219.4, 20.7%, 33.1%

HSV

219.4, 34.3%, 40.0%

CMYK

34.3%, 22.5%, 0.0%, 60.0%

OKLCH

0.4266 0.0414 263.2

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#434F66

#665A43

Analogous

#436066

#484366

#434F66

Triadic

#434F66

#66434F

#4F6643

Split Complementary

#434F66

#664843

#606643

Tetradic

#434F66

#664360

#665A43

#436648

Color Blindness Simulation

Original

#434F66

Protanopia

#484860

Deuteranopia

#48475F

Tritanopia

#445C5B

Achromatopsia

#4E4E4E

CSS Usage

background-color: #434F66;
color: #434F66;
border-color: #434F66;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D4D9E3
300
#B5BECE
400
#8D9BB4
500
#65779A
600
#515F7B
700
#414C62
800
#333C4D
900
#272E39
950
#191D24

Contrast Checker

Text on white

8.24:1

AA Pass AAA Pass

Text on black

2.55:1

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