#515264

#515264

Color Values

HEX

#515264

RGB

81, 82, 100

HSL

236.8, 10.5%, 35.5%

HSV

236.8, 19.0%, 39.2%

CMYK

19.0%, 18.0%, 0.0%, 60.8%

OKLCH

0.4446 0.0294 282.6

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#515264

#646351

Analogous

#515C64

#5A5164

#515264

Triadic

#515264

#645152

#526451

Split Complementary

#515264

#645A51

#5C6451

Tetradic

#515264

#64515C

#646351

#51645A

Color Blindness Simulation

Original

#515264

Protanopia

#515160

Deuteranopia

#51515F

Tritanopia

#515C5B

Achromatopsia

#535353

CSS Usage

background-color: #515264;
color: #515264;
border-color: #515264;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F7F7F8
100
#ECECEF
200
#D8D8DF
300
#BBBCC8
400
#9798AB
500
#72748D
600
#5B5C71
700
#494A5A
800
#393A46
900
#2C2C35
950
#1C1C21

Contrast Checker

Text on white

7.66:1

AA Pass AAA Pass

Text on black

2.74:1

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