#17152C

#17152C

Color Values

HEX

#17152C

RGB

23, 21, 44

HSL

245.2, 35.4%, 12.7%

HSV

245.2, 52.3%, 17.3%

CMYK

47.7%, 52.3%, 0.0%, 82.7%

OKLCH

0.2113 0.0446 285.9

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#17152C

#2A2C15

Analogous

#151E2C

#22152C

#17152C

Triadic

#17152C

#2C1715

#152C17

Split Complementary

#17152C

#2C2215

#1E2C15

Tetradic

#17152C

#2C151E

#2A2C15

#152C22

Color Blindness Simulation

Original

#17152C

Protanopia

#161626

Deuteranopia

#161625

Tritanopia

#172221

Achromatopsia

#171717

CSS Usage

background-color: #17152C;
color: #17152C;
border-color: #17152C;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F5FA
100
#E9E8F3
200
#D1CFE8
300
#B0ACD7
400
#857FC2
500
#5A52AD
600
#48428A
700
#3A356E
800
#2D2956
900
#242140
950
#171528

Contrast Checker

Text on white

17.8:1

AA Pass AAA Pass

Text on black

1.18:1

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