#423A7F

#423A7F

Color Values

HEX

#423A7F

RGB

66, 58, 127

HSL

247.0, 37.3%, 36.3%

HSV

247.0, 54.3%, 49.8%

CMYK

48.0%, 54.3%, 0.0%, 50.2%

OKLCH

0.3944 0.1125 285.3

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#423A7F

#777F3A

Analogous

#3A557F

#653A7F

#423A7F

Triadic

#423A7F

#7F423A

#3A7F42

Split Complementary

#423A7F

#7F653A

#557F3A

Tetradic

#423A7F

#7F3A55

#777F3A

#3A7F65

Color Blindness Simulation

Original

#423A7F

Protanopia

#3F3E6E

Deuteranopia

#3F406A

Tritanopia

#42615E

Achromatopsia

#414141

CSS Usage

background-color: #423A7F;
color: #423A7F;
border-color: #423A7F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E9E7F3
200
#D1CEE9
300
#B0ABD9
400
#867DC4
500
#5B50AF
600
#49408C
700
#3A3370
800
#2E2858
900
#242041
950
#171429

Contrast Checker

Text on white

9.8:1

AA Pass AAA Pass

Text on black

2.14:1

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