#1B0730

#1B0730

Color Values

HEX

#1B0730

RGB

27, 7, 48

HSL

269.3, 74.5%, 10.8%

HSV

269.3, 85.4%, 18.8%

CMYK

43.8%, 85.4%, 0.0%, 81.2%

OKLCH

0.1909 0.0775 301.9

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#1B0730

#1C3007

Analogous

#070830

#300730

#1B0730

Triadic

#1B0730

#301B07

#07301B

Split Complementary

#1B0730

#303007

#083007

Tetradic

#1B0730

#300708

#1C3007

#073030

Color Blindness Simulation

Original

#1B0730

Protanopia

#121226

Deuteranopia

#141524

Tritanopia

#1A1E1D

Achromatopsia

#0E0E0E

CSS Usage

background-color: #1B0730;
color: #1B0730;
border-color: #1B0730;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F3FC
100
#EDE2F8
200
#DBC1F6
300
#C194EF
400
#9F5AE7
500
#7D21DE
600
#641AB2
700
#50158E
800
#3F106F
900
#301051
950
#1E0A33

Contrast Checker

Text on white

18.76:1

AA Pass AAA Pass

Text on black

1.12:1

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