#170128

#170128

Color Values

HEX

#170128

RGB

23, 1, 40

HSL

273.8, 95.1%, 8.0%

HSV

273.8, 97.5%, 15.7%

CMYK

42.5%, 97.5%, 0.0%, 84.3%

OKLCH

0.1635 0.0799 306.5

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#170128

#122801

Analogous

#030128

#280125

#170128

Triadic

#170128

#281701

#012817

Split Complementary

#170128

#252801

#012803

Tetradic

#170128

#280301

#122801

#012528

Color Blindness Simulation

Original

#170128

Protanopia

#0D0D1F

Deuteranopia

#0F101C

Tritanopia

#161715

Achromatopsia

#080808

CSS Usage

background-color: #170128;
color: #170128;
border-color: #170128;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F1FE
100
#EFDFFC
200
#E0B9FD
300
#C988FC
400
#AC47FA
500
#8F06F9
600
#7205C7
700
#5B049F
800
#47037C
900
#36075A
950
#220439

Contrast Checker

Text on white

19.6:1

AA Pass AAA Pass

Text on black

1.07:1

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