#0F182F

#0F182F

Color Values

HEX

#0F182F

RGB

15, 24, 47

HSL

223.1, 51.6%, 12.2%

HSV

223.1, 68.1%, 18.4%

CMYK

68.1%, 48.9%, 0.0%, 81.6%

OKLCH

0.2141 0.0474 266.4

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#0F182F

#2F260F

Analogous

#0F282F

#160F2F

#0F182F

Triadic

#0F182F

#2F0F18

#182F0F

Split Complementary

#0F182F

#2F160F

#282F0F

Tetradic

#0F182F

#2F0F28

#2F260F

#0F2F16

Color Blindness Simulation

Original

#0F182F

Protanopia

#131329

Deuteranopia

#121228

Tritanopia

#0F2524

Achromatopsia

#181818

CSS Usage

background-color: #0F182F;
color: #0F182F;
border-color: #0F182F;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F4F6FB
100
#E5EAF5
200
#C9D3EE
300
#A2B4E1
400
#708BD1
500
#3E63C1
600
#314F9B
700
#273F7C
800
#1F3161
900
#1A2747
950
#10182D

Contrast Checker

Text on white

17.62:1

AA Pass AAA Pass

Text on black

1.19:1

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