#150540

#150540

Color Values

HEX

#150540

RGB

21, 5, 64

HSL

256.3, 85.5%, 13.5%

HSV

256.3, 92.2%, 25.1%

CMYK

67.2%, 92.2%, 0.0%, 74.9%

OKLCH

0.1976 0.1017 285.2

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#150540

#304005

Analogous

#051240

#320540

#150540

Triadic

#150540

#401505

#054015

Split Complementary

#150540

#403205

#124005

Tetradic

#150540

#400512

#304005

#054032

Color Blindness Simulation

Original

#150540

Protanopia

#0E0E32

Deuteranopia

#0F102E

Tritanopia

#142624

Achromatopsia

#0D0D0D

CSS Usage

background-color: #150540;
color: #150540;
border-color: #150540;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F2FD
100
#E7E0FA
200
#CDBDFA
300
#AA8DF6
400
#7C50F1
500
#4E12ED
600
#3E0FBD
700
#320C97
800
#270976
900
#1F0B56
950
#140736

Contrast Checker

Text on white

18.62:1

AA Pass AAA Pass

Text on black

1.13:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026