#333453

#333453

Color Values

HEX

#333453

RGB

51, 52, 83

HSL

238.1, 23.9%, 26.3%

HSV

238.1, 38.6%, 32.5%

CMYK

38.6%, 37.3%, 0.0%, 67.5%

OKLCH

0.3389 0.0541 281.7

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#333453

#535233

Analogous

#334453

#423353

#333453

Triadic

#333453

#533334

#345333

Split Complementary

#333453

#534233

#445333

Tetradic

#333453

#533344

#535233

#335342

Color Blindness Simulation

Original

#333453

Protanopia

#33334C

Deuteranopia

#33334A

Tritanopia

#334644

Achromatopsia

#363636

CSS Usage

background-color: #333453;
color: #333453;
border-color: #333453;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#EAEAF1
200
#D3D3E4
300
#B3B4D0
400
#8A8CB7
500
#61639E
600
#4E4F7E
700
#3E3F65
800
#31314F
900
#26273B
950
#181825

Contrast Checker

Text on white

11.95:1

AA Pass AAA Pass

Text on black

1.76:1

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