#221735

#221735

Color Values

HEX

#221735

RGB

34, 23, 53

HSL

262.0, 39.5%, 14.9%

HSV

262.0, 56.6%, 20.8%

CMYK

35.8%, 56.6%, 0.0%, 79.2%

OKLCH

0.2351 0.0571 298.9

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#221735

#2A3517

Analogous

#171B35

#311735

#221735

Triadic

#221735

#352217

#173522

Split Complementary

#221735

#353117

#1B3517

Tetradic

#221735

#35171B

#2A3517

#173531

Color Blindness Simulation

Original

#221735

Protanopia

#1D1D2E

Deuteranopia

#1E1F2C

Tritanopia

#212827

Achromatopsia

#1C1C1C

CSS Usage

background-color: #221735;
color: #221735;
border-color: #221735;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F5FA
100
#ECE7F3
200
#D8CDE9
300
#BBAADA
400
#977BC6
500
#724DB2
600
#5B3E8E
700
#493172
800
#392759
900
#2C1F42
950
#1C1429

Contrast Checker

Text on white

16.91:1

AA Pass AAA Pass

Text on black

1.24:1

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