#5B57CD

#5B57CD

Color Values

HEX

#5B57CD

RGB

91, 87, 205

HSL

242.0, 54.1%, 57.3%

HSV

242.0, 57.6%, 80.4%

CMYK

55.6%, 57.6%, 0.0%, 19.6%

OKLCH

0.5265 0.1773 279.9

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#5B57CD

#C9CD57

Analogous

#578ECD

#9657CD

#5B57CD

Triadic

#5B57CD

#CD5B57

#57CD5B

Split Complementary

#5B57CD

#CD9657

#8ECD57

Tetradic

#5B57CD

#CD578E

#C9CD57

#57CD96

Color Blindness Simulation

Original

#5B57CD

Protanopia

#5959B0

Deuteranopia

#5A5AAA

Tritanopia

#5B9A95

Achromatopsia

#606060

CSS Usage

background-color: #5B57CD;
color: #5B57CD;
border-color: #5B57CD;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F4F4FB
100
#E5E5F5
200
#C9C8EF
300
#A3A1E3
400
#716ED4
500
#3F3BC4
600
#322F9D
700
#28257E
800
#201D62
900
#1A1948
950
#11102D

Contrast Checker

Text on white

5.69:1

AA Pass AAA Fail

Text on black

3.69:1

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