#3F97E8

#3F97E8

Color Values

HEX

#3F97E8

RGB

63, 151, 232

HSL

208.8, 78.6%, 57.8%

HSV

208.8, 72.8%, 91.0%

CMYK

72.8%, 34.9%, 0.0%, 9.0%

OKLCH

0.661 0.147 249.5

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#3F97E8

#E8903F

Analogous

#3FE8E5

#3F42E8

#3F97E8

Triadic

#3F97E8

#E83F97

#97E83F

Split Complementary

#3F97E8

#E83F42

#E8E53F

Tetradic

#3F97E8

#E53FE8

#E8903F

#42E83F

Color Blindness Simulation

Original

#3F97E8

Protanopia

#6566D4

Deuteranopia

#6059D0

Tritanopia

#43C5C2

Achromatopsia

#8A8A8A

CSS Usage

background-color: #3F97E8;
color: #3F97E8;
border-color: #3F97E8;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F2F8FC
100
#E1EEF9
200
#BFDCF7
300
#92C4F2
400
#56A4EB
500
#1B84E4
600
#1669B6
700
#115492
800
#0E4272
900
#0E3253
950
#091F34

Contrast Checker

Text on white

3.09:1

AA Fail AAA Fail

Text on black

6.8:1

AA Pass 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