#221758

#221758

Color Values

HEX

#221758

RGB

34, 23, 88

HSL

250.2, 58.6%, 21.8%

HSV

250.2, 73.9%, 34.5%

CMYK

61.4%, 73.9%, 0.0%, 65.5%

OKLCH

0.266 0.1108 283.6

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#221758

#4D5817

Analogous

#172D58

#431758

#221758

Triadic

#221758

#582217

#175822

Split Complementary

#221758

#584317

#2D5817

Tetradic

#221758

#58172D

#4D5817

#175843

Color Blindness Simulation

Original

#221758

Protanopia

#1D1D48

Deuteranopia

#1E1F44

Tritanopia

#213C39

Achromatopsia

#1E1E1E

CSS Usage

background-color: #221758;
color: #221758;
border-color: #221758;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FB
100
#E7E4F6
200
#CDC6F0
300
#AA9EE6
400
#7C69D8
500
#4E35CA
600
#3F2AA2
700
#322281
800
#271A65
900
#20174A
950
#140E2F

Contrast Checker

Text on white

15.77:1

AA Pass AAA Pass

Text on black

1.33:1

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