#21192A

#21192A

Color Values

HEX

#21192A

RGB

33, 25, 42

HSL

268.2, 25.4%, 13.1%

HSV

268.2, 40.5%, 16.5%

CMYK

21.4%, 40.5%, 0.0%, 83.5%

OKLCH

0.2313 0.034 305.5

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#21192A

#222A19

Analogous

#19192A

#29192A

#21192A

Triadic

#21192A

#2A2119

#192A21

Split Complementary

#21192A

#2A2919

#192A19

Tetradic

#21192A

#2A1919

#222A19

#192A29

Color Blindness Simulation

Original

#21192A

Protanopia

#1E1D26

Deuteranopia

#1E1F25

Tritanopia

#212322

Achromatopsia

#1C1C1C

CSS Usage

background-color: #21192A;
color: #21192A;
border-color: #21192A;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F7F6F9
100
#EDE9F1
200
#DBD2E4
300
#C1B2D1
400
#9F89B9
500
#7E5FA0
600
#644C80
700
#503D66
800
#3F3050
900
#30253C
950
#1E1826

Contrast Checker

Text on white

16.97:1

AA Pass AAA Pass

Text on black

1.24:1

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