#11153B

#11153B

Color Values

HEX

#11153B

RGB

17, 21, 59

HSL

234.3, 55.3%, 14.9%

HSV

234.3, 71.2%, 23.1%

CMYK

71.2%, 64.4%, 0.0%, 76.9%

OKLCH

0.2183 0.0726 274.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#11153B

#3B3711

Analogous

#112A3B

#22113B

#11153B

Triadic

#11153B

#3B1115

#153B11

Split Complementary

#11153B

#3B2211

#2A3B11

Tetradic

#11153B

#3B112A

#3B3711

#113B22

Color Blindness Simulation

Original

#11153B

Protanopia

#131332

Deuteranopia

#121230

Tritanopia

#112B29

Achromatopsia

#171717

CSS Usage

background-color: #11153B;
color: #11153B;
border-color: #11153B;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E5E6F6
200
#C8CBEF
300
#A0A6E4
400
#6C76D5
500
#3946C6
600
#2E389E
700
#242D7F
800
#1C2363
900
#181D49
950
#0F122E

Contrast Checker

Text on white

17.58:1

AA Pass AAA Pass

Text on black

1.19:1

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