#3972B8

#3972B8

Color Values

HEX

#3972B8

RGB

57, 114, 184

HSL

213.1, 52.7%, 47.3%

HSV

213.1, 69.0%, 72.2%

CMYK

69.0%, 38.0%, 0.0%, 27.8%

OKLCH

0.5479 0.1251 254.9

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3972B8

#B87F39

Analogous

#39B2B8

#4039B8

#3972B8

Triadic

#3972B8

#B83972

#72B839

Split Complementary

#3972B8

#B84039

#B2B839

Tetradic

#3972B8

#B839B2

#B87F39

#39B840

Color Blindness Simulation

Original

#3972B8

Protanopia

#5252A7

Deuteranopia

#4E4AA3

Tritanopia

#3C9A97

Achromatopsia

#6B6B6B

CSS Usage

background-color: #3972B8;
color: #3972B8;
border-color: #3972B8;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C8D9EE
300
#A2BEE2
400
#6F9CD2
500
#3C79C3
600
#30609C
700
#274D7D
800
#1E3C61
900
#192E47
950
#101D2D

Contrast Checker

Text on white

4.91:1

AA Pass AAA Fail

Text on black

4.27:1

AA Fail 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