#211C2F

#211C2F

Color Values

HEX

#211C2F

RGB

33, 28, 47

HSL

255.8, 25.3%, 14.7%

HSV

255.8, 40.4%, 18.4%

CMYK

29.8%, 40.4%, 0.0%, 81.6%

OKLCH

0.2416 0.0362 295.7

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#211C2F

#2A2F1C

Analogous

#1C202F

#2A1C2F

#211C2F

Triadic

#211C2F

#2F211C

#1C2F21

Split Complementary

#211C2F

#2F2A1C

#202F1C

Tetradic

#211C2F

#2F1C20

#2A2F1C

#1C2F2A

Color Blindness Simulation

Original

#211C2F

Protanopia

#1F1F2A

Deuteranopia

#1F2029

Tritanopia

#212726

Achromatopsia

#1E1E1E

CSS Usage

background-color: #211C2F;
color: #211C2F;
border-color: #211C2F;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F6F9
100
#EBE9F1
200
#D7D2E4
300
#BAB2D1
400
#9589B9
500
#705FA0
600
#5A4C80
700
#483D66
800
#383050
900
#2B253B
950
#1B1826

Contrast Checker

Text on white

16.51:1

AA Pass AAA Pass

Text on black

1.27:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

ก.พ. 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

ม.ค. 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

ม.ค. 21, 2026