#0F112F

#0F112F

Color Values

HEX

#0F112F

RGB

15, 17, 47

HSL

236.2, 51.6%, 12.2%

HSV

236.2, 68.1%, 18.4%

CMYK

68.1%, 63.8%, 0.0%, 81.6%

OKLCH

0.196 0.059 276.6

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#0F112F

#2F2D0F

Analogous

#0F212F

#1D0F2F

#0F112F

Triadic

#0F112F

#2F0F11

#112F0F

Split Complementary

#0F112F

#2F1D0F

#212F0F

Tetradic

#0F112F

#2F0F21

#2F2D0F

#0F2F1D

Color Blindness Simulation

Original

#0F112F

Protanopia

#101028

Deuteranopia

#101026

Tritanopia

#0F2221

Achromatopsia

#131313

CSS Usage

background-color: #0F112F;
color: #0F112F;
border-color: #0F112F;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C9CBEE
300
#A2A6E1
400
#7076D1
500
#3E46C1
600
#31389B
700
#272D7C
800
#1F2361
900
#1A1D47
950
#10122D

Contrast Checker

Text on white

18.4:1

AA Pass AAA Pass

Text on black

1.14:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026