#11192B

#11192B

Color Values

HEX

#11192B

RGB

17, 25, 43

HSL

221.5, 43.3%, 11.8%

HSV

221.5, 60.5%, 16.9%

CMYK

60.5%, 41.9%, 0.0%, 83.1%

OKLCH

0.2155 0.0376 265.2

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#11192B

#2B2311

Analogous

#11262B

#16112B

#11192B

Triadic

#11192B

#2B1119

#192B11

Split Complementary

#11192B

#2B1611

#262B11

Tetradic

#11192B

#2B1126

#2B2311

#112B16

Color Blindness Simulation

Original

#11192B

Protanopia

#141527

Deuteranopia

#141326

Tritanopia

#112322

Achromatopsia

#191919

CSS Usage

background-color: #11192B;
color: #11192B;
border-color: #11192B;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F6FA
100
#E7EBF4
200
#CCD5EB
300
#A7B8DC
400
#7891CA
500
#486AB7
600
#3A5592
700
#2E4475
800
#24355B
900
#1E2943
950
#131A2B

Contrast Checker

Text on white

17.53:1

AA Pass AAA Pass

Text on black

1.2:1

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