#3F7AB7

#3F7AB7

Color Values

HEX

#3F7AB7

RGB

63, 122, 183

HSL

210,5, 48,8%, 48,2%

HSV

210,5, 65,6%, 71,8%

CMYK

65,6%, 33,3%, 0,0%, 28,2%

OKLCH

0,5681 0,1133 251,1

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3F7AB7

#B77C3F

Analogous

#3FB6B7

#403FB7

#3F7AB7

Triadic

#3F7AB7

#B73F7A

#7AB73F

Split Complementary

#3F7AB7

#B7403F

#B6B73F

Tetradic

#3F7AB7

#B73FB6

#B77C3F

#3FB740

Color Blindness Simulation

Original

#3F7AB7

Protanopia

#5959A8

Deuteranopia

#5551A5

Tritanopia

#429D9A

Achromatopsia

#727272

CSS Usage

background-color: #3F7AB7;
color: #3F7AB7;
border-color: #3F7AB7;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADBED
300
#A4C1E0
400
#73A0CF
500
#417EBE
600
#346598
700
#2A5179
800
#213F5F
900
#1B3046
950
#111E2C

Contrast Checker

Text on white

4,49:1

AA Fail AAA Fail

Text on black

4,68:1

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