#515B61

#515B61

Color Values

HEX

#515B61

RGB

81, 91, 97

HSL

202.5, 9.0%, 34.9%

HSV

202.5, 16.5%, 38.0%

CMYK

16.5%, 6.2%, 0.0%, 62.0%

OKLCH

0.4646 0.0159 234.1

Properties

Cool Dark Nearest: RAL 7043 Traffic Grey B

Color Harmonies

Complementary

#515B61

#615751

Analogous

#51615F

#515361

#515B61

Triadic

#515B61

#61515B

#5B6151

Split Complementary

#515B61

#615153

#615F51

Tetradic

#515B61

#5F5161

#615751

#536151

Color Blindness Simulation

Original

#515B61

Protanopia

#555560

Deuteranopia

#55545F

Tritanopia

#525E5E

Achromatopsia

#595959

CSS Usage

background-color: #515B61;
color: #515B61;
border-color: #515B61;
Nearest Tailwind: Zinc 600 #52525B

Tailwind Shades

50
#F7F7F8
100
#ECEDEF
200
#D8DCDF
300
#BCC3C7
400
#98A3A9
500
#74828B
600
#5D686F
700
#4A5359
800
#3A4145
900
#2D3134
950
#1C1F21

Contrast Checker

Text on white

6.96:1

AA Pass AAA Fail

Text on black

3.02:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026