#3F3563

#3F3563

Color Values

HEX

#3F3563

RGB

63, 53, 99

HSL

253.0, 30.3%, 29.8%

HSV

253.0, 46.5%, 38.8%

CMYK

36.4%, 46.5%, 0.0%, 61.2%

OKLCH

0.3623 0.078 292.0

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#3F3563

#596335

Analogous

#354263

#563563

#3F3563

Triadic

#3F3563

#633F35

#35633F

Split Complementary

#3F3563

#635635

#426335

Tetradic

#3F3563

#633542

#596335

#356356

Color Blindness Simulation

Original

#3F3563

Protanopia

#3B3B58

Deuteranopia

#3B3C55

Tritanopia

#3E4F4D

Achromatopsia

#3A3A3A

CSS Usage

background-color: #3F3563;
color: #3F3563;
border-color: #3F3563;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F6F5F9
100
#EBE9F2
200
#D5D0E6
300
#B7AFD4
400
#9084BD
500
#6A59A6
600
#544785
700
#44396A
800
#352C53
900
#29233E
950
#1A1627

Contrast Checker

Text on white

11.05:1

AA Pass AAA Pass

Text on black

1.9:1

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