#211749

#211749

Color Values

HEX

#211749

RGB

33, 23, 73

HSL

252.0, 52.1%, 18.8%

HSV

252.0, 68.5%, 28.6%

CMYK

54.8%, 68.5%, 0.0%, 71.4%

OKLCH

0.2505 0.0888 287.4

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#211749

#3F4917

Analogous

#172649

#3A1749

#211749

Triadic

#211749

#492117

#174921

Split Complementary

#211749

#493A17

#264917

Tetradic

#211749

#491726

#3F4917

#17493A

Color Blindness Simulation

Original

#211749

Protanopia

#1D1D3D

Deuteranopia

#1D1E3A

Tritanopia

#203331

Achromatopsia

#1D1D1D

CSS Usage

background-color: #211749;
color: #211749;
border-color: #211749;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FB
100
#E8E5F5
200
#D0C9EE
300
#AFA2E2
400
#836FD2
500
#583DC2
600
#46319B
700
#38277C
800
#2C1F61
900
#231A47
950
#16102D

Contrast Checker

Text on white

16.36:1

AA Pass AAA Pass

Text on black

1.28:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026