#51448B

#51448B

Color Values

HEX

#51448B

RGB

81, 68, 139

HSL

251.0, 34.3%, 40.6%

HSV

251.0, 51.1%, 54.5%

CMYK

41.7%, 51.1%, 0.0%, 45.5%

OKLCH

0.4359 0.1135 289.2

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#51448B

#7E8B44

Analogous

#445B8B

#75448B

#51448B

Triadic

#51448B

#8B5144

#448B51

Split Complementary

#51448B

#8B7544

#5B8B44

Tetradic

#51448B

#8B445B

#7E8B44

#448B75

Color Blindness Simulation

Original

#51448B

Protanopia

#4B4B7A

Deuteranopia

#4C4D76

Tritanopia

#506C69

Achromatopsia

#4C4C4C

CSS Usage

background-color: #51448B;
color: #51448B;
border-color: #51448B;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F6F5FA
100
#EAE8F2
200
#D4CFE8
300
#B5ADD7
400
#8C80C1
500
#6454AB
600
#504389
700
#40366E
800
#322A56
900
#27213F
950
#191528

Contrast Checker

Text on white

8.24:1

AA Pass AAA Pass

Text on black

2.55:1

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