#150831

#150831

Color Values

HEX

#150831

RGB

21, 8, 49

HSL

259.0, 71.9%, 11.2%

HSV

259.0, 83.7%, 19.2%

CMYK

57.1%, 83.7%, 0.0%, 80.8%

OKLCH

0.1855 0.0764 291.8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#150831

#243108

Analogous

#081031

#2A0831

#150831

Triadic

#150831

#311508

#083115

Split Complementary

#150831

#312A08

#103108

Tetradic

#150831

#310810

#243108

#08312A

Color Blindness Simulation

Original

#150831

Protanopia

#0F0F27

Deuteranopia

#101125

Tritanopia

#141F1E

Achromatopsia

#0E0E0E

CSS Usage

background-color: #150831;
color: #150831;
border-color: #150831;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F3FC
100
#E9E2F8
200
#D2C2F5
300
#B296EE
400
#885DE4
500
#5E24DB
600
#4B1DAF
700
#3C178C
800
#2F126E
900
#251150
950
#170B32

Contrast Checker

Text on white

18.9:1

AA Pass AAA Pass

Text on black

1.11:1

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