#211F2D

#211F2D

Color Values

HEX

#211F2D

RGB

33, 31, 45

HSL

248.6, 18.4%, 14.9%

HSV

248.6, 31.1%, 17.6%

CMYK

26.7%, 31.1%, 0.0%, 82.4%

OKLCH

0.248 0.0264 290.9

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#211F2D

#2B2D1F

Analogous

#1F242D

#281F2D

#211F2D

Triadic

#211F2D

#2D211F

#1F2D21

Split Complementary

#211F2D

#2D281F

#242D1F

Tetradic

#211F2D

#2D1F24

#2B2D1F

#1F2D28

Color Blindness Simulation

Original

#211F2D

Protanopia

#20202A

Deuteranopia

#202029

Tritanopia

#212726

Achromatopsia

#202020

CSS Usage

background-color: #211F2D;
color: #211F2D;
border-color: #211F2D;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F6F6F9
100
#EBEAF0
200
#D7D5E2
300
#BAB7CD
400
#948FB2
500
#6F6897
600
#595379
700
#474361
800
#37344B
900
#2B2838
950
#1B1A24

Contrast Checker

Text on white

16.17:1

AA Pass AAA Pass

Text on black

1.3:1

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