#1B0B20

#1B0B20

Color Values

HEX

#1B0B20

RGB

27, 11, 32

HSL

285.7, 48.8%, 8.4%

HSV

285.7, 65.6%, 12.5%

CMYK

15.6%, 65.6%, 0.0%, 87.5%

OKLCH

0.1849 0.0468 317.7

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#1B0B20

#10200B

Analogous

#100B20

#200B1A

#1B0B20

Triadic

#1B0B20

#201B0B

#0B201B

Split Complementary

#1B0B20

#1A200B

#0B2010

Tetradic

#1B0B20

#20100B

#10200B

#0B1A20

Color Blindness Simulation

Original

#1B0B20

Protanopia

#14141B

Deuteranopia

#15161A

Tritanopia

#1A1716

Achromatopsia

#101010

CSS Usage

background-color: #1B0B20;
color: #1B0B20;
border-color: #1B0B20;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F9F4FB
100
#F1E6F5
200
#E4CAED
300
#D1A4E0
400
#B973CF
500
#A041BE
600
#803498
700
#662A79
800
#50215F
900
#3C1B46
950
#26112C

Contrast Checker

Text on white

18.83:1

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