#3F7AB0

#3F7AB0

Color Values

HEX

#3F7AB0

RGB

63, 122, 176

HSL

208.7, 47.3%, 46.9%

HSV

208.7, 64.2%, 69.0%

CMYK

64.2%, 30.7%, 0.0%, 31.0%

OKLCH

0.5643 0.1044 248.3

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#3F7AB0

#B0753F

Analogous

#3FB0AE

#3F41B0

#3F7AB0

Triadic

#3F7AB0

#B03F7A

#7AB03F

Split Complementary

#3F7AB0

#B03F41

#B0AE3F

Tetradic

#3F7AB0

#AE3FB0

#B0753F

#41B03F

Color Blindness Simulation

Original

#3F7AB0

Protanopia

#5959A3

Deuteranopia

#5551A0

Tritanopia

#429996

Achromatopsia

#717171

CSS Usage

background-color: #3F7AB0;
color: #3F7AB0;
border-color: #3F7AB0;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CADCEC
300
#A5C3DF
400
#74A3CD
500
#4382BC
600
#366896
700
#2B5378
800
#22415E
900
#1C3145
950
#121F2C

Contrast Checker

Text on white

4.54:1

AA Pass AAA Fail

Text on black

4.62:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026