#211F48

#211F48

Color Values

HEX

#211F48

RGB

33, 31, 72

HSL

242.9, 39.8%, 20.2%

HSV

242.9, 56.9%, 28.2%

CMYK

54.2%, 56.9%, 0.0%, 71.8%

OKLCH

0.2662 0.0741 282.3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#211F48

#46481F

Analogous

#1F3248

#351F48

#211F48

Triadic

#211F48

#48211F

#1F4821

Split Complementary

#211F48

#48351F

#32481F

Tetradic

#211F48

#481F32

#46481F

#1F4835

Color Blindness Simulation

Original

#211F48

Protanopia

#20203E

Deuteranopia

#20203C

Tritanopia

#213635

Achromatopsia

#222222

CSS Usage

background-color: #211F48;
color: #211F48;
border-color: #211F48;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F5FA
100
#E8E7F3
200
#CECDEA
300
#ACA9DA
400
#7F7BC6
500
#524DB2
600
#413D8F
700
#343172
800
#292659
900
#211F42
950
#15142A

Contrast Checker

Text on white

15.51:1

AA Pass AAA Pass

Text on black

1.35:1

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