#515AA0

#515AA0

Color Values

HEX

#515AA0

RGB

81, 90, 160

HSL

233.2, 32.8%, 47.3%

HSV

233.2, 49.4%, 62.7%

CMYK

49.4%, 43.7%, 0.0%, 37.3%

OKLCH

0.4939 0.1117 276.0

Properties

Cool Dark Nearest: NCS S 2060-B Deep Blue

Color Harmonies

Complementary

#515AA0

#A09751

Analogous

#5182A0

#7051A0

#515AA0

Triadic

#515AA0

#A0515A

#5AA051

Split Complementary

#515AA0

#A07051

#82A051

Tetradic

#515AA0

#A05182

#A09751

#51A070

Color Blindness Simulation

Original

#515AA0

Protanopia

#55558F

Deuteranopia

#54548B

Tritanopia

#51827F

Achromatopsia

#5D5D5D

CSS Usage

background-color: #515AA0;
color: #515AA0;
border-color: #515AA0;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F6F9
100
#E8E9F2
200
#D0D2E7
300
#AEB2D6
400
#8289C0
500
#565FA9
600
#454C87
700
#373D6C
800
#2B3055
900
#22253F
950
#161828

Contrast Checker

Text on white

6.33:1

AA Pass AAA Fail

Text on black

3.32:1

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