#1B002C

#1B002C

Color Values

HEX

#1B002C

RGB

27, 0, 44

HSL

276.8, 100.0%, 8.6%

HSV

276.8, 100.0%, 17.3%

CMYK

38.6%, 100.0%, 0.0%, 82.7%

OKLCH

0.1728 0.0879 308.8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1B002C

#112C00

Analogous

#05002C

#2C0027

#1B002C

Triadic

#1B002C

#2C1B00

#002C1B

Split Complementary

#1B002C

#272C00

#002C05

Tetradic

#1B002C

#2C0500

#112C00

#00272C

Color Blindness Simulation

Original

#1B002C

Protanopia

#0F0F21

Deuteranopia

#11131F

Tritanopia

#1A1917

Achromatopsia

#090909

CSS Usage

background-color: #1B002C;
color: #1B002C;
border-color: #1B002C;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F1FE
100
#F1DEFC
200
#E3B8FF
300
#D085FF
400
#B642FF
500
#9C00FF
600
#7D00CC
700
#6400A3
800
#4E0080
900
#3A055C
950
#25033A

Contrast Checker

Text on white

19.39:1

AA Pass AAA Pass

Text on black

1.08:1

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