#3F30DB

#3F30DB

Color Values

HEX

#3F30DB

RGB

63, 48, 219

HSL

245.3, 70.4%, 52.4%

HSV

245.3, 78.1%, 85.9%

CMYK

71.2%, 78.1%, 0.0%, 14.1%

OKLCH

0.4612 0.2426 275.1

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#3F30DB

#CCDB30

Analogous

#3077DB

#9530DB

#3F30DB

Triadic

#3F30DB

#DB3F30

#30DB3F

Split Complementary

#3F30DB

#DB9530

#77DB30

Tetradic

#3F30DB

#DB3077

#CCDB30

#30DB95

Color Blindness Simulation

Original

#3F30DB

Protanopia

#3938B2

Deuteranopia

#393AA8

Tritanopia

#3E918A

Achromatopsia

#404040

CSS Usage

background-color: #3F30DB;
color: #3F30DB;
border-color: #3F30DB;
Nearest Tailwind: Violet 700 #6D28D9

Tailwind Shades

50
#F4F3FC
100
#E4E2F8
200
#C7C2F4
300
#9E97ED
400
#6A5EE3
500
#3626D9
600
#2B1EAE
700
#22188B
800
#1B136D
900
#17124F
950
#0F0B32

Contrast Checker

Text on white

7.9:1

AA Pass AAA Pass

Text on black

2.66:1

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