#42538F

#42538F

Color Values

HEX

#42538F

RGB

66, 83, 143

HSL

226.8, 36.8%, 41.0%

HSV

226.8, 53.8%, 56.1%

CMYK

53.8%, 42.0%, 0.0%, 43.9%

OKLCH

0.4577 0.1001 270.2

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#42538F

#8F7E42

Analogous

#42798F

#58428F

#42538F

Triadic

#42538F

#8F4253

#538F42

Split Complementary

#42538F

#8F5842

#798F42

Tetradic

#42538F

#8F4279

#8F7E42

#428F58

Color Blindness Simulation

Original

#42538F

Protanopia

#494A80

Deuteranopia

#48477D

Tritanopia

#437572

Achromatopsia

#545454

CSS Usage

background-color: #42538F;
color: #42538F;
border-color: #42538F;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F6FA
100
#E8EAF3
200
#CED4E8
300
#ABB5D8
400
#7E8DC3
500
#5165AE
600
#40518C
700
#344170
800
#283357
900
#202740
950
#141929

Contrast Checker

Text on white

7.33:1

AA Pass AAA Pass

Text on black

2.87:1

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