#170C33

#170C33

Color Values

HEX

#170C33

RGB

23, 12, 51

HSL

256.9, 61.9%, 12.4%

HSV

256.9, 76.5%, 20.0%

CMYK

54.9%, 76.5%, 0.0%, 80.0%

OKLCH

0.1974 0.073 291.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#170C33

#28330C

Analogous

#0C1533

#2B0C33

#170C33

Triadic

#170C33

#33170C

#0C3317

Split Complementary

#170C33

#332B0C

#15330C

Tetradic

#170C33

#330C15

#28330C

#0C332B

Color Blindness Simulation

Original

#170C33

Protanopia

#12122A

Deuteranopia

#131427

Tritanopia

#162220

Achromatopsia

#111111

CSS Usage

background-color: #170C33;
color: #170C33;
border-color: #170C33;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F3FB
100
#E9E4F7
200
#D2C5F1
300
#B19CE8
400
#8766DB
500
#5D31CE
600
#4A27A5
700
#3C1F84
800
#2F1867
900
#25154B
950
#170E30

Contrast Checker

Text on white

18.47:1

AA Pass AAA Pass

Text on black

1.14:1

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