#3F4293

#3F4293

Color Values

HEX

#3F4293

RGB

63, 66, 147

HSL

237.9, 40.0%, 41.2%

HSV

237.9, 57.1%, 57.6%

CMYK

57.1%, 55.1%, 0.0%, 42.4%

OKLCH

0.4226 0.1306 277.6

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#3F4293

#93903F

Analogous

#3F6C93

#663F93

#3F4293

Triadic

#3F4293

#933F42

#42933F

Split Complementary

#3F4293

#93663F

#6C933F

Tetradic

#3F4293

#933F6C

#93903F

#3F9366

Color Blindness Simulation

Original

#3F4293

Protanopia

#40407F

Deuteranopia

#40407B

Tritanopia

#3F706D

Achromatopsia

#474747

CSS Usage

background-color: #3F4293;
color: #3F4293;
border-color: #3F4293;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CDCEEA
300
#A9ABDA
400
#7B7EC6
500
#4C50B2
600
#3D408F
700
#313372
800
#262859
900
#1F2042
950
#14142A

Contrast Checker

Text on white

8.71:1

AA Pass AAA Pass

Text on black

2.41:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026