#3F7FB4

#3F7FB4

Color Values

HEX

#3F7FB4

RGB

63, 127, 180

HSL

207.2, 48.1%, 47.6%

HSV

207.2, 65.0%, 70.6%

CMYK

65.0%, 29.4%, 0.0%, 29.4%

OKLCH

0.578 0.1051 246.0

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#3F7FB4

#B4743F

Analogous

#3FB4AE

#3F44B4

#3F7FB4

Triadic

#3F7FB4

#B43F7F

#7FB43F

Split Complementary

#3F7FB4

#B43F44

#B4AE3F

Tetradic

#3F7FB4

#AE3FB4

#B4743F

#44B43F

Color Blindness Simulation

Original

#3F7FB4

Protanopia

#5B5BA7

Deuteranopia

#5752A4

Tritanopia

#429D9B

Achromatopsia

#757575

CSS Usage

background-color: #3F7FB4;
color: #3F7FB4;
border-color: #3F7FB4;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CADDEC
300
#A4C5DF
400
#73A5CE
500
#4285BD
600
#356B97
700
#2A5579
800
#21435E
900
#1B3245
950
#11202C

Contrast Checker

Text on white

4.28:1

AA Fail AAA Fail

Text on black

4.91:1

AA Pass AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026