#515D7C

#515D7C

Color Values

HEX

#515D7C

RGB

81, 93, 124

HSL

223.3, 21.0%, 40.2%

HSV

223.3, 34.7%, 48.6%

CMYK

34.7%, 25.0%, 0.0%, 51.4%

OKLCH

0.4808 0.0524 268.0

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#515D7C

#7C7051

Analogous

#51727C

#5B517C

#515D7C

Triadic

#515D7C

#7C515D

#5D7C51

Split Complementary

#515D7C

#7C5B51

#727C51

Tetradic

#515D7C

#7C5172

#7C7051

#517C5B

Color Blindness Simulation

Original

#515D7C

Protanopia

#565675

Deuteranopia

#565573

Tritanopia

#526F6D

Achromatopsia

#5D5D5D

CSS Usage

background-color: #515D7C;
color: #515D7C;
border-color: #515D7C;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D4D8E3
300
#B5BCCF
400
#8D98B4
500
#65749A
600
#515D7B
700
#404A63
800
#323A4D
900
#272C3A
950
#191C24

Contrast Checker

Text on white

6.55:1

AA Pass AAA Fail

Text on black

3.21:1

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