#42959F

#42959F

Color Values

HEX

#42959F

RGB

66, 149, 159

HSL

186.5, 41.3%, 44.1%

HSV

186.5, 58.5%, 62.4%

CMYK

58.5%, 6.3%, 0.0%, 37.6%

OKLCH

0.6228 0.0811 206.0

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#42959F

#9F4C42

Analogous

#429F7B

#42669F

#42959F

Triadic

#42959F

#9F4295

#959F42

Split Complementary

#42959F

#9F4266

#9F7B42

Tetradic

#42959F

#7B429F

#9F4C42

#669F42

Color Blindness Simulation

Original

#42959F

Protanopia

#66679D

Deuteranopia

#615B9C

Tritanopia

#469B9A

Achromatopsia

#848484

CSS Usage

background-color: #42959F;
color: #42959F;
border-color: #42959F;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F5F9FA
100
#E7F2F3
200
#CDE7EA
300
#A9D6DB
400
#7ABFC8
500
#4BA9B4
600
#3C8790
700
#306C73
800
#25545A
900
#1E3F42
950
#13282A

Contrast Checker

Text on white

3.48:1

AA Fail AAA Fail

Text on black

6.03:1

AA Pass 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