#3571B8

#3571B8

Color Values

HEX

#3571B8

RGB

53, 113, 184

HSL

212.5, 55.3%, 46.5%

HSV

212.5, 71.2%, 72.2%

CMYK

71.2%, 38.6%, 0.0%, 27.8%

OKLCH

0.544 0.1276 254.3

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3571B8

#B87C35

Analogous

#35B3B8

#3A35B8

#3571B8

Triadic

#3571B8

#B83571

#71B835

Split Complementary

#3571B8

#B83A35

#B3B835

Tetradic

#3571B8

#B835B3

#B87C35

#35B83A

Color Blindness Simulation

Original

#3571B8

Protanopia

#4F50A7

Deuteranopia

#4C47A3

Tritanopia

#389996

Achromatopsia

#696969

CSS Usage

background-color: #3571B8;
color: #3571B8;
border-color: #3571B8;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5ECF6
200
#C8DAEF
300
#A0BFE4
400
#6C9CD5
500
#397AC6
600
#2E619E
700
#244E7F
800
#1C3D63
900
#182E49
950
#0F1D2E

Contrast Checker

Text on white

4.99:1

AA Pass AAA Fail

Text on black

4.21:1

AA Fail 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