#1B0F48

#1B0F48

Color Values

HEX

#1B0F48

RGB

27, 15, 72

HSL

252.6, 65.5%, 17.1%

HSV

252.6, 79.2%, 28.2%

CMYK

62.5%, 79.2%, 0.0%, 71.8%

OKLCH

0.2289 0.0995 285.0

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#1B0F48

#3C480F

Analogous

#0F2048

#380F48

#1B0F48

Triadic

#1B0F48

#481B0F

#0F481B

Split Complementary

#1B0F48

#48380F

#20480F

Tetradic

#1B0F48

#480F20

#3C480F

#0F4838

Color Blindness Simulation

Original

#1B0F48

Protanopia

#16163A

Deuteranopia

#161737

Tritanopia

#1A2F2D

Achromatopsia

#161616

CSS Usage

background-color: #1B0F48;
color: #1B0F48;
border-color: #1B0F48;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F3FC
100
#E7E3F7
200
#CEC4F3
300
#AB9AEA
400
#7D63DE
500
#4F2CD3
600
#3F23A9
700
#331C87
800
#28166A
900
#20144D
950
#140D31

Contrast Checker

Text on white

17.38:1

AA Pass AAA Pass

Text on black

1.21:1

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