#3F4F76

#3F4F76

Color Values

HEX

#3F4F76

RGB

63, 79, 118

HSL

222.5, 30.4%, 35.5%

HSV

222.5, 46.6%, 46.3%

CMYK

46.6%, 33.1%, 0.0%, 53.7%

OKLCH

0.4318 0.0681 266.6

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4F76

#76663F

Analogous

#3F6B76

#4A3F76

#3F4F76

Triadic

#3F4F76

#763F4F

#4F763F

Split Complementary

#3F4F76

#764A3F

#6B763F

Tetradic

#3F4F76

#763F6B

#76663F

#3F764A

Color Blindness Simulation

Original

#3F4F76

Protanopia

#46466D

Deuteranopia

#45446A

Tritanopia

#406563

Achromatopsia

#4E4E4E

CSS Usage

background-color: #3F4F76;
color: #3F4F76;
border-color: #3F4F76;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F7F9
100
#E9EBF2
200
#D0D7E6
300
#AFBAD4
400
#8495BD
500
#596FA6
600
#475985
700
#39476A
800
#2C3853
900
#232B3E
950
#161B27

Contrast Checker

Text on white

8.1:1

AA Pass AAA Pass

Text on black

2.59:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026