#172D4B

#172D4B

Color Values

HEX

#172D4B

RGB

23, 45, 75

HSL

214.6, 53.1%, 19.2%

HSV

214.6, 69.3%, 29.4%

CMYK

69.3%, 40.0%, 0.0%, 70.6%

OKLCH

0.2955 0.0618 256.6

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#172D4B

#4B3517

Analogous

#17474B

#1B174B

#172D4B

Triadic

#172D4B

#4B172D

#2D4B17

Split Complementary

#172D4B

#4B1B17

#474B17

Tetradic

#172D4B

#4B1747

#4B3517

#174B1B

Color Blindness Simulation

Original

#172D4B

Protanopia

#212144

Deuteranopia

#1F1E42

Tritanopia

#183E3D

Achromatopsia

#2A2A2A

CSS Usage

background-color: #172D4B;
color: #172D4B;
border-color: #172D4B;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C8D8EE
300
#A1BDE2
400
#6F99D3
500
#3C75C3
600
#305E9C
700
#264B7D
800
#1E3B62
900
#192D48
950
#101C2D

Contrast Checker

Text on white

13.88:1

AA Pass AAA Pass

Text on black

1.51:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026