#170025

#170025

Color Values

HEX

#170025

RGB

23, 0, 37

HSL

277.3, 100.0%, 7.3%

HSV

277.3, 100.0%, 14.5%

CMYK

37.8%, 100.0%, 0.0%, 85.5%

OKLCH

0.1576 0.0796 310.2

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#170025

#0E2500

Analogous

#050025

#250021

#170025

Triadic

#170025

#251700

#002517

Split Complementary

#170025

#212500

#002505

Tetradic

#170025

#250500

#0E2500

#002125

Color Blindness Simulation

Original

#170025

Protanopia

#0D0D1C

Deuteranopia

#0E101A

Tritanopia

#161513

Achromatopsia

#080808

CSS Usage

background-color: #170025;
color: #170025;
border-color: #170025;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F9F1FE
100
#F1DEFC
200
#E4B8FF
300
#D185FF
400
#B842FF
500
#9F00FF
600
#7F00CC
700
#6500A3
800
#4F0080
900
#3B055C
950
#25033A

Contrast Checker

Text on white

19.75:1

AA Pass AAA Pass

Text on black

1.06:1

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