#1B0338

#1B0338

Color Values

HEX

#1B0338

RGB

27, 3, 56

HSL

267.2, 89.8%, 11.6%

HSV

267.2, 94.6%, 22.0%

CMYK

51.8%, 94.6%, 0.0%, 78.0%

OKLCH

0.1923 0.0948 297.7

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1B0338

#203803

Analogous

#030538

#360338

#1B0338

Triadic

#1B0338

#381B03

#03381B

Split Complementary

#1B0338

#383603

#053803

Tetradic

#1B0338

#380305

#203803

#033836

Color Blindness Simulation

Original

#1B0338

Protanopia

#11102B

Deuteranopia

#121428

Tritanopia

#1A211F

Achromatopsia

#0C0C0C

CSS Usage

background-color: #1B0338;
color: #1B0338;
border-color: #1B0338;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F2FD
100
#ECE0FB
200
#D8BBFB
300
#BD8BF9
400
#994CF5
500
#750DF2
600
#5D0AC2
700
#4B089B
800
#3A0779
900
#2D0958
950
#1C0637

Contrast Checker

Text on white

18.8:1

AA Pass AAA Pass

Text on black

1.12:1

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