#150C33

#150C33

Color Values

HEX

#150C33

RGB

21, 12, 51

HSL

253.8, 61.9%, 12.4%

HSV

253.8, 76.5%, 20.0%

CMYK

58.8%, 76.5%, 0.0%, 80.0%

OKLCH

0.195 0.0731 288.3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#150C33

#2A330C

Analogous

#0C1733

#290C33

#150C33

Triadic

#150C33

#33150C

#0C3315

Split Complementary

#150C33

#33290C

#17330C

Tetradic

#150C33

#330C17

#2A330C

#0C3329

Color Blindness Simulation

Original

#150C33

Protanopia

#11112A

Deuteranopia

#121227

Tritanopia

#152220

Achromatopsia

#111111

CSS Usage

background-color: #150C33;
color: #150C33;
border-color: #150C33;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F3FB
100
#E8E4F7
200
#CFC5F1
300
#AD9CE8
400
#8166DB
500
#5531CE
600
#4427A5
700
#361F84
800
#2A1867
900
#22154B
950
#150E30

Contrast Checker

Text on white

18.55:1

AA Pass AAA Pass

Text on black

1.13:1

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