#211429

#211429

Color Values

HEX

#211429

RGB

33, 20, 41

HSL

277.1, 34.4%, 12.0%

HSV

277.1, 51.2%, 16.1%

CMYK

19.5%, 51.2%, 0.0%, 83.9%

OKLCH

0.219 0.0437 311.7

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#211429

#1C2914

Analogous

#171429

#291427

#211429

Triadic

#211429

#292114

#142921

Split Complementary

#211429

#272914

#142917

Tetradic

#211429

#291714

#1C2914

#142729

Color Blindness Simulation

Original

#211429

Protanopia

#1B1B24

Deuteranopia

#1C1D23

Tritanopia

#20201F

Achromatopsia

#181818

CSS Usage

background-color: #211429;
color: #211429;
border-color: #211429;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F8F5FA
100
#EEE8F2
200
#DECFE8
300
#C7ADD7
400
#A880C1
500
#8A54AB
600
#6E4389
700
#58366E
800
#452A56
900
#34213F
950
#211528

Contrast Checker

Text on white

17.55:1

AA Pass AAA Pass

Text on black

1.2:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026