#1B124D

#1B124D

Color Values

HEX

#1B124D

RGB

27, 18, 77

HSL

249.2, 62.1%, 18.6%

HSV

249.2, 76.6%, 30.2%

CMYK

64.9%, 76.6%, 0.0%, 69.8%

OKLCH

0.2392 0.1028 282.3

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#1B124D

#444D12

Analogous

#12264D

#38124D

#1B124D

Triadic

#1B124D

#4D1B12

#124D1B

Split Complementary

#1B124D

#4D3812

#264D12

Tetradic

#1B124D

#4D1226

#444D12

#124D38

Color Blindness Simulation

Original

#1B124D

Protanopia

#17173F

Deuteranopia

#18183B

Tritanopia

#1B3331

Achromatopsia

#181818

CSS Usage

background-color: #1B124D;
color: #1B124D;
border-color: #1B124D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F3FB
100
#E7E4F7
200
#CCC5F1
300
#A79CE8
400
#7866DB
500
#4930CF
600
#3A27A5
700
#2E1F84
800
#241867
900
#1E154C
950
#130D30

Contrast Checker

Text on white

16.93:1

AA Pass AAA Pass

Text on black

1.24:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026