#13123C

#13123C

Color Values

HEX

#13123C

RGB

19, 18, 60

HSL

241.4, 53.8%, 15.3%

HSV

241.4, 70.0%, 23.5%

CMYK

68.3%, 70.0%, 0.0%, 76.5%

OKLCH

0.2142 0.0784 278.5

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#13123C

#3B3C12

Analogous

#12263C

#28123C

#13123C

Triadic

#13123C

#3C1312

#123C13

Split Complementary

#13123C

#3C2812

#263C12

Tetradic

#13123C

#3C1226

#3B3C12

#123C28

Color Blindness Simulation

Original

#13123C

Protanopia

#131332

Deuteranopia

#13132F

Tritanopia

#132A28

Achromatopsia

#151515

CSS Usage

background-color: #13123C;
color: #13123C;
border-color: #13123C;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E5E5F5
200
#C9C8EF
300
#A2A1E3
400
#706ED3
500
#3E3BC4
600
#322F9D
700
#28267E
800
#1F1D62
900
#1A1948
950
#10102D

Contrast Checker

Text on white

17.8:1

AA Pass AAA Pass

Text on black

1.18:1

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