#515B67

#515B67

Color Values

HEX

#515B67

RGB

81, 91, 103

HSL

212.7, 12.0%, 36.1%

HSV

212.7, 21.4%, 40.4%

CMYK

21.4%, 11.7%, 0.0%, 59.6%

OKLCH

0.4669 0.0232 253.0

Properties

Cool Dark Nearest: RAL 7024 Graphite Grey

Color Harmonies

Complementary

#515B67

#675D51

Analogous

#516667

#525167

#515B67

Triadic

#515B67

#67515B

#5B6751

Split Complementary

#515B67

#675251

#666751

Tetradic

#515B67

#675166

#675D51

#516752

Color Blindness Simulation

Original

#515B67

Protanopia

#555564

Deuteranopia

#555463

Tritanopia

#526261

Achromatopsia

#5A5A5A

CSS Usage

background-color: #515B67;
color: #515B67;
border-color: #515B67;
Nearest Tailwind: Gray 600 #4B5563

Tailwind Shades

50
#F7F7F8
100
#EBEDEF
200
#D7DBE0
300
#BAC1C9
400
#95A0AC
500
#707E8F
600
#5A6572
700
#48515B
800
#383F47
900
#2B3036
950
#1B1E22

Contrast Checker

Text on white

6.9:1

AA Pass AAA Fail

Text on black

3.04:1

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