#42594B

#42594B

Color Values

HEX

#42594B

RGB

66, 89, 75

HSL

143.5, 14.8%, 30.4%

HSV

143.5, 25.8%, 34.9%

CMYK

25.8%, 0.0%, 15.7%, 65.1%

OKLCH

0.4406 0.0362 157.8

Properties

Cool Dark Nearest: RAL 7009 Green Grey

Color Harmonies

Complementary

#42594B

#594250

Analogous

#455942

#425957

#42594B

Triadic

#42594B

#4B4259

#594B42

Split Complementary

#42594B

#574259

#594245

Tetradic

#42594B

#424559

#594250

#595742

Color Blindness Simulation

Original

#42594B

Protanopia

#4C4C4E

Deuteranopia

#4B494F

Tritanopia

#435152

Achromatopsia

#535353

CSS Usage

background-color: #42594B;
color: #42594B;
border-color: #42594B;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F6F8F7
100
#EBEFED
200
#D6E1DA
300
#B9CBC0
400
#93AF9E
500
#6D927B
600
#577563
700
#465E4F
800
#36493E
900
#2A372F
950
#1B231E

Contrast Checker

Text on white

7.6:1

AA Pass AAA Pass

Text on black

2.76:1

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