#515B8E

#515B8E

Color Values

HEX

#515B8E

RGB

81, 91, 142

HSL

230.2, 27.4%, 43.7%

HSV

230.2, 43.0%, 55.7%

CMYK

43.0%, 35.9%, 0.0%, 44.3%

OKLCH

0.4855 0.0829 274.5

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#515B8E

#8E8451

Analogous

#51798E

#65518E

#515B8E

Triadic

#515B8E

#8E515B

#5B8E51

Split Complementary

#515B8E

#8E6551

#798E51

Tetradic

#515B8E

#8E5179

#8E8451

#518E65

Color Blindness Simulation

Original

#515B8E

Protanopia

#555582

Deuteranopia

#55547F

Tritanopia

#527876

Achromatopsia

#5D5D5D

CSS Usage

background-color: #515B8E;
color: #515B8E;
border-color: #515B8E;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D2D5E5
300
#B1B7D3
400
#878FBB
500
#5D68A2
600
#4A5382
700
#3B4368
800
#2E3451
900
#25283C
950
#171A26

Contrast Checker

Text on white

6.49:1

AA Pass AAA Fail

Text on black

3.24:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026