#0F123F

#0F123F

Color Values

HEX

#0F123F

RGB

15, 18, 63

HSL

236.2, 61.5%, 15.3%

HSV

236.2, 76.2%, 24.7%

CMYK

76.2%, 71.4%, 0.0%, 75.3%

OKLCH

0.214 0.0844 273.9

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#0F123F

#3F3C0F

Analogous

#0F2A3F

#240F3F

#0F123F

Triadic

#0F123F

#3F0F12

#123F0F

Split Complementary

#0F123F

#3F240F

#2A3F0F

Tetradic

#0F123F

#3F0F2A

#3F3C0F

#0F3F24

Color Blindness Simulation

Original

#0F123F

Protanopia

#101034

Deuteranopia

#101031

Tritanopia

#0F2C2A

Achromatopsia

#151515

CSS Usage

background-color: #0F123F;
color: #0F123F;
border-color: #0F123F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F3F4FB
100
#E4E5F6
200
#C5C8F1
300
#9CA1E7
400
#676EDB
500
#313BCE
600
#272FA5
700
#1F2684
800
#191E67
900
#16194B
950
#0E1030

Contrast Checker

Text on white

17.82:1

AA Pass AAA Pass

Text on black

1.18:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026