#3F9DF1

#3F9DF1

Color Values

HEX

#3F9DF1

RGB

63, 157, 241

HSL

208,3, 86,4%, 59,6%

HSV

208,3, 73,9%, 94,5%

CMYK

73,9%, 34,9%, 0,0%, 5,5%

OKLCH

0,6793 0,1522 249,0

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#3F9DF1

#F1933F

Analogous

#3FF1EC

#3F44F1

#3F9DF1

Triadic

#3F9DF1

#F13F9D

#9DF13F

Split Complementary

#3F9DF1

#F13F44

#F1EC3F

Tetradic

#3F9DF1

#EC3FF1

#F1933F

#44F13F

Color Blindness Simulation

Original

#3F9DF1

Protanopia

#6869DD

Deuteranopia

#625BD8

Tritanopia

#44CDC9

Achromatopsia

#8F8F8F

CSS Usage

background-color: #3F9DF1;
color: #3F9DF1;
border-color: #3F9DF1;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F2F8FD
100
#E0EEFA
200
#BCDDFA
300
#8DC5F7
400
#4FA5F2
500
#1186EE
600
#0E6BBE
700
#0B5698
800
#094377
900
#0B3356
950
#072036

Contrast Checker

Text on white

2,88:1

AA Fail AAA Fail

Text on black

7,3:1

AA Pass AAA Pass

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