#555DCA

#555DCA

Color Values

HEX

#555DCA

RGB

85, 93, 202

HSL

235.9, 52.5%, 56.3%

HSV

235.9, 57.9%, 79.2%

CMYK

57.9%, 54.0%, 0.0%, 20.8%

OKLCH

0.5309 0.1667 276.0

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#555DCA

#CAC255

Analogous

#5598CA

#8855CA

#555DCA

Triadic

#555DCA

#CA555D

#5DCA55

Split Complementary

#555DCA

#CA8855

#98CA55

Tetradic

#555DCA

#CA5598

#CAC255

#55CA88

Color Blindness Simulation

Original

#555DCA

Protanopia

#5859B0

Deuteranopia

#5857A9

Tritanopia

#559B96

Achromatopsia

#636363

CSS Usage

background-color: #555DCA;
color: #555DCA;
border-color: #555DCA;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C9CBEE
300
#A2A6E2
400
#6F76D2
500
#3D46C2
600
#30389C
700
#272D7C
800
#1E2361
900
#1A1D47
950
#10122D

Contrast Checker

Text on white

5.52:1

AA Pass AAA Fail

Text on black

3.8:1

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