#51618F

#51618F

Color Values

HEX

#51618F

RGB

81, 97, 143

HSL

224.5, 27.7%, 43.9%

HSV

224.5, 43.4%, 56.1%

CMYK

43.4%, 32.2%, 0.0%, 43.9%

OKLCH

0.4993 0.0764 268.9

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#51618F

#8F7F51

Analogous

#51808F

#60518F

#51618F

Triadic

#51618F

#8F5161

#618F51

Split Complementary

#51618F

#8F6051

#808F51

Tetradic

#51618F

#8F5180

#8F7F51

#518F60

Color Blindness Simulation

Original

#51618F

Protanopia

#585884

Deuteranopia

#575681

Tritanopia

#527B79

Achromatopsia

#616161

CSS Usage

background-color: #51618F;
color: #51618F;
border-color: #51618F;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F6F6F9
100
#E9EBF1
200
#D1D7E5
300
#B1BAD3
400
#8794BB
500
#5C6EA3
600
#4A5882
700
#3B4768
800
#2E3751
900
#242B3D
950
#171B26

Contrast Checker

Text on white

6.08:1

AA Pass AAA Fail

Text on black

3.46:1

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