#211730

#211730

Color Values

HEX

#211730

RGB

33, 23, 48

HSL

264.0, 35.2%, 13.9%

HSV

264.0, 52.1%, 18.8%

CMYK

31.3%, 52.1%, 0.0%, 81.2%

OKLCH

0.2304 0.0485 301.1

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#211730

#263017

Analogous

#171930

#2D1730

#211730

Triadic

#211730

#302117

#173021

Split Complementary

#211730

#302D17

#193017

Tetradic

#211730

#301719

#263017

#17302D

Color Blindness Simulation

Original

#211730

Protanopia

#1D1D2A

Deuteranopia

#1D1E28

Tritanopia

#202524

Achromatopsia

#1B1B1B

CSS Usage

background-color: #211730;
color: #211730;
border-color: #211730;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F5FA
100
#ECE8F2
200
#D9CFE8
300
#BDACD7
400
#9A7FC2
500
#7753AC
600
#5F428A
700
#4C356E
800
#3B2956
900
#2D2140
950
#1D1528

Contrast Checker

Text on white

17.07:1

AA Pass AAA Pass

Text on black

1.23:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026