#151A43

#151A43

Color Values

HEX

#151A43

RGB

21, 26, 67

HSL

233.5, 52.3%, 17.3%

HSV

233.5, 68.7%, 26.3%

CMYK

68.7%, 61.2%, 0.0%, 73.7%

OKLCH

0.2403 0.0769 273.9

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#151A43

#433E15

Analogous

#153143

#271543

#151A43

Triadic

#151A43

#43151A

#1A4315

Split Complementary

#151A43

#432715

#314315

Tetradic

#151A43

#431531

#433E15

#154327

Color Blindness Simulation

Original

#151A43

Protanopia

#171739

Deuteranopia

#171637

Tritanopia

#153130

Achromatopsia

#1C1C1C

CSS Usage

background-color: #151A43;
color: #151A43;
border-color: #151A43;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F5FB
100
#E5E7F5
200
#C9CDEE
300
#A2A9E2
400
#6F7AD2
500
#3D4BC2
600
#313C9B
700
#27307C
800
#1E2661
900
#1A1F47
950
#10132D

Contrast Checker

Text on white

16.66:1

AA Pass AAA Pass

Text on black

1.26:1

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