#42909B

#42909B

Color Values

HEX

#42909B

RGB

66, 144, 155

HSL

187,4, 40,3%, 43,3%

HSV

187,4, 57,4%, 60,8%

CMYK

57,4%, 7,1%, 0,0%, 39,2%

OKLCH

0,6089 0,0778 207,7

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#42909B

#9B4D42

Analogous

#429B79

#42639B

#42909B

Triadic

#42909B

#9B4290

#909B42

Split Complementary

#42909B

#9B4263

#9B7942

Tetradic

#42909B

#79429B

#9B4D42

#639B42

Color Blindness Simulation

Original

#42909B

Protanopia

#646498

Deuteranopia

#5F5998

Tritanopia

#469696

Achromatopsia

#808080

CSS Usage

background-color: #42909B;
color: #42909B;
border-color: #42909B;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F5F9FA
100
#E7F2F3
200
#CDE6EA
300
#A9D4DA
400
#7BBDC7
500
#4CA6B3
600
#3D858F
700
#316A72
800
#265359
900
#1F3E42
950
#14272A

Contrast Checker

Text on white

3,69:1

AA Fail AAA Fail

Text on black

5,69:1

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