#42639E

#42639E

Color Values

HEX

#42639E

RGB

66, 99, 158

HSL

218.5, 41.1%, 43.9%

HSV

218.5, 58.2%, 62.0%

CMYK

58.2%, 37.3%, 0.0%, 38.0%

OKLCH

0.5026 0.1022 261.3

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#42639E

#9E7D42

Analogous

#42919E

#4F429E

#42639E

Triadic

#42639E

#9E4263

#639E42

Split Complementary

#42639E

#9E4F42

#919E42

Tetradic

#42639E

#9E4291

#9E7D42

#429E4F

Color Blindness Simulation

Original

#42639E

Protanopia

#505190

Deuteranopia

#4E4C8C

Tritanopia

#448482

Achromatopsia

#606060

CSS Usage

background-color: #42639E;
color: #42639E;
border-color: #42639E;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F7FA
100
#E7EBF3
200
#CDD7EA
300
#A9BBDB
400
#7A96C7
500
#4B71B4
600
#3C5A90
700
#304873
800
#26385A
900
#1F2B42
950
#131B2A

Contrast Checker

Text on white

5.98:1

AA Pass AAA Fail

Text on black

3.51:1

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