#15124D

#15124D

Color Values

HEX

#15124D

RGB

21, 18, 77

HSL

243.1, 62.1%, 18.6%

HSV

243.1, 76.6%, 30.2%

CMYK

72.7%, 76.6%, 0.0%, 69.8%

OKLCH

0.2339 0.1041 276.9

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#15124D

#4A4D12

Analogous

#122C4D

#32124D

#15124D

Triadic

#15124D

#4D1512

#124D15

Split Complementary

#15124D

#4D3212

#2C4D12

Tetradic

#15124D

#4D122C

#4A4D12

#124D32

Color Blindness Simulation

Original

#15124D

Protanopia

#14143F

Deuteranopia

#14143B

Tritanopia

#153331

Achromatopsia

#171717

CSS Usage

background-color: #15124D;
color: #15124D;
border-color: #15124D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F3FB
100
#E5E4F7
200
#C7C5F1
300
#A09CE8
400
#6C66DB
500
#3930CF
600
#2D27A5
700
#241F84
800
#1C1867
900
#18154C
950
#0F0D30

Contrast Checker

Text on white

17.13:1

AA Pass AAA Pass

Text on black

1.23:1

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