#171F69

#171F69

Color Values

HEX

#171F69

RGB

23, 31, 105

HSL

234.1, 64.1%, 25.1%

HSV

234.1, 78.1%, 41.2%

CMYK

78.1%, 70.5%, 0.0%, 58.8%

OKLCH

0.2895 0.1276 270.9

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#171F69

#696117

Analogous

#174869

#381769

#171F69

Triadic

#171F69

#69171F

#1F6917

Split Complementary

#171F69

#693817

#486917

Tetradic

#171F69

#691748

#696117

#176938

Color Blindness Simulation

Original

#171F69

Protanopia

#1A1B57

Deuteranopia

#1A1953

Tritanopia

#174946

Achromatopsia

#232323

CSS Usage

background-color: #171F69;
color: #171F69;
border-color: #171F69;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F3F4FC
100
#E3E5F7
200
#C4C9F2
300
#9BA2E9
400
#6470DD
500
#2E3ED1
600
#2531A7
700
#1D2886
800
#171F69
900
#141A4C
950
#0D1030

Contrast Checker

Text on white

14.62:1

AA Pass AAA Pass

Text on black

1.44:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026