#17173C

#17173C

Color Values

HEX

#17173C

RGB

23, 23, 60

HSL

240.0, 44.6%, 16.3%

HSV

240.0, 61.7%, 23.5%

CMYK

61.7%, 61.7%, 0.0%, 76.5%

OKLCH

0.2289 0.0694 279.4

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#17173C

#3C3C17

Analogous

#172A3C

#2A173C

#17173C

Triadic

#17173C

#3C1717

#173C17

Split Complementary

#17173C

#3C2A17

#2A3C17

Tetradic

#17173C

#3C172A

#3C3C17

#173C2A

Color Blindness Simulation

Original

#17173C

Protanopia

#171733

Deuteranopia

#171731

Tritanopia

#172C2A

Achromatopsia

#1A1A1A

CSS Usage

background-color: #17173C;
color: #17173C;
border-color: #17173C;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CBCBEB
300
#A7A7DD
400
#7777CB
500
#4747B8
600
#393993
700
#2D2D76
800
#23235C
900
#1D1D44
950
#12122B

Contrast Checker

Text on white

17.15:1

AA Pass AAA Pass

Text on black

1.22:1

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