#15487D

#15487D

Color Values

HEX

#15487D

RGB

21, 72, 125

HSL

210.6, 71.2%, 28.6%

HSV

210.6, 83.2%, 49.0%

CMYK

83.2%, 42.4%, 0.0%, 51.0%

OKLCH

0.398 0.104 252.8

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#15487D

#7D4A15

Analogous

#157C7D

#16157D

#15487D

Triadic

#15487D

#7D1548

#487D15

Split Complementary

#15487D

#7D1615

#7C7D15

Tetradic

#15487D

#7D157C

#7D4A15

#157D16

Color Blindness Simulation

Original

#15487D

Protanopia

#2B2C70

Deuteranopia

#28246D

Tritanopia

#186664

Achromatopsia

#414141

CSS Usage

background-color: #15487D;
color: #15487D;
border-color: #15487D;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F3F7FC
100
#E2EDF8
200
#C2DBF5
300
#96C1ED
400
#5D9FE4
500
#257EDA
600
#1D65AF
700
#18508C
800
#123F6D
900
#11304F
950
#0B1E32

Contrast Checker

Text on white

9.31:1

AA Pass AAA Pass

Text on black

2.25:1

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