#5183CB

#5183CB

Color Values

HEX

#5183CB

RGB

81, 131, 203

HSL

215.4, 54.0%, 55.7%

HSV

215.4, 60.1%, 79.6%

CMYK

60.1%, 35.5%, 0.0%, 20.4%

OKLCH

0.6076 0.1228 257.6

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#5183CB

#CB9951

Analogous

#51C0CB

#5C51CB

#5183CB

Triadic

#5183CB

#CB5183

#83CB51

Split Complementary

#5183CB

#CB5C51

#C0CB51

Tetradic

#5183CB

#CB51C0

#CB9951

#51CB5C

Color Blindness Simulation

Original

#5183CB

Protanopia

#6767BA

Deuteranopia

#6460B5

Tritanopia

#54ACA9

Achromatopsia

#7E7E7E

CSS Usage

background-color: #5183CB;
color: #5183CB;
border-color: #5183CB;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C8D8EF
300
#A1BCE3
400
#6E97D4
500
#3B73C4
600
#2F5C9D
700
#264A7E
800
#1D3A62
900
#192C48
950
#101C2D

Contrast Checker

Text on white

3.85:1

AA Fail AAA Fail

Text on black

5.46:1

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