#221748

#221748

Color Values

HEX

#221748

RGB

34, 23, 72

HSL

253.5, 51.6%, 18.6%

HSV

253.5, 68.1%, 28.2%

CMYK

52.8%, 68.1%, 0.0%, 71.8%

OKLCH

0.2506 0.0873 288.8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#221748

#3D4817

Analogous

#172448

#3A1748

#221748

Triadic

#221748

#482217

#174822

Split Complementary

#221748

#483A17

#244817

Tetradic

#221748

#481724

#3D4817

#17483A

Color Blindness Simulation

Original

#221748

Protanopia

#1D1D3C

Deuteranopia

#1E1F39

Tritanopia

#213331

Achromatopsia

#1D1D1D

CSS Usage

background-color: #221748;
color: #221748;
border-color: #221748;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F4FB
100
#E9E5F5
200
#D1C9EE
300
#B0A2E1
400
#8670D1
500
#5B3EC1
600
#49319B
700
#3A277C
800
#2E1F61
900
#241A47
950
#17102D

Contrast Checker

Text on white

16.35:1

AA Pass AAA Pass

Text on black

1.28:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026