#42478E

#42478E

Color Values

HEX

#42478E

RGB

66, 71, 142

HSL

236.1, 36.5%, 40.8%

HSV

236.1, 53.5%, 55.7%

CMYK

53.5%, 50.0%, 0.0%, 44.3%

OKLCH

0.4313 0.1155 277.4

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#42478E

#8E8942

Analogous

#426D8E

#63428E

#42478E

Triadic

#42478E

#8E4247

#478E42

Split Complementary

#42478E

#8E6342

#6D8E42

Tetradic

#42478E

#8E426D

#8E8942

#428E63

Color Blindness Simulation

Original

#42478E

Protanopia

#44447D

Deuteranopia

#444479

Tritanopia

#426F6C

Achromatopsia

#4B4B4B

CSS Usage

background-color: #42478E;
color: #42478E;
border-color: #42478E;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F3
200
#CED0E8
300
#ABAED8
400
#7E83C3
500
#5157AE
600
#41468B
700
#34386F
800
#282C57
900
#212340
950
#151629

Contrast Checker

Text on white

8.32:1

AA Pass AAA Pass

Text on black

2.52:1

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