#42686F

#42686F

Color Values

HEX

#42686F

RGB

66, 104, 111

HSL

189.3, 25.4%, 34.7%

HSV

189.3, 40.5%, 43.5%

CMYK

40.5%, 6.3%, 0.0%, 56.5%

OKLCH

0.4916 0.0444 210.4

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#42686F

#6F4942

Analogous

#426F5F

#42526F

#42686F

Triadic

#42686F

#6F4268

#686F42

Split Complementary

#42686F

#6F4252

#6F5F42

Tetradic

#42686F

#5F426F

#6F4942

#526F42

Color Blindness Simulation

Original

#42686F

Protanopia

#52536D

Deuteranopia

#504D6D

Tritanopia

#446C6C

Achromatopsia

#606060

CSS Usage

background-color: #42686F;
color: #42686F;
border-color: #42686F;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F6F8F9
100
#E9F0F1
200
#D2E2E4
300
#B2CDD1
400
#89B1B9
500
#5F96A0
600
#4C7880
700
#3D6066
800
#304B50
900
#25383C
950
#182326

Contrast Checker

Text on white

6.1:1

AA Pass AAA Fail

Text on black

3.44:1

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