#17478D

#17478D

Color Values

HEX

#17478D

RGB

23, 71, 141

HSL

215.6, 72.0%, 32.2%

HSV

215.6, 83.7%, 55.3%

CMYK

83.7%, 49.6%, 0.0%, 44.7%

OKLCH

0.4079 0.1272 258.5

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#17478D

#8D5D17

Analogous

#17828D

#22178D

#17478D

Triadic

#17478D

#8D1747

#478D17

Split Complementary

#17478D

#8D2217

#828D17

Tetradic

#17478D

#8D1782

#8D5D17

#178D22

Color Blindness Simulation

Original

#17478D

Protanopia

#2C2C7C

Deuteranopia

#292578

Tritanopia

#196F6C

Achromatopsia

#424242

CSS Usage

background-color: #17478D;
color: #17478D;
border-color: #17478D;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F3F6FC
100
#E2EBF8
200
#C2D7F5
300
#96BAEE
400
#5D94E5
500
#246EDB
600
#1D58AF
700
#17478C
800
#12376E
900
#112B50
950
#0B1B32

Contrast Checker

Text on white

9.04:1

AA Pass AAA Pass

Text on black

2.32:1

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