#3F63AE

#3F63AE

Color Values

HEX

#3F63AE

RGB

63, 99, 174

HSL

220.5, 46.8%, 46.5%

HSV

220.5, 63.8%, 68.2%

CMYK

63.8%, 43.1%, 0.0%, 31.8%

OKLCH

0.5108 0.1262 263.3

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#3F63AE

#AE8A3F

Analogous

#3F9BAE

#533FAE

#3F63AE

Triadic

#3F63AE

#AE3F63

#63AE3F

Split Complementary

#3F63AE

#AE533F

#9BAE3F

Tetradic

#3F63AE

#AE3F9B

#AE8A3F

#3FAE53

Color Blindness Simulation

Original

#3F63AE

Protanopia

#4F4F9C

Deuteranopia

#4C4A98

Tritanopia

#418E8A

Achromatopsia

#616161

CSS Usage

background-color: #3F63AE;
color: #3F63AE;
border-color: #3F63AE;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F6FA
100
#E6EBF4
200
#CBD5EC
300
#A5B8DE
400
#7491CD
500
#446BBB
600
#365596
700
#2B4478
800
#22355E
900
#1C2945
950
#121A2B

Contrast Checker

Text on white

5.82:1

AA Pass AAA Fail

Text on black

3.61:1

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