#333881

#333881

Color Values

HEX

#333881

RGB

51, 56, 129

HSL

236.2, 43.3%, 35.3%

HSV

236.2, 60.5%, 50.6%

CMYK

60.5%, 56.6%, 0.0%, 49.4%

OKLCH

0.3796 0.1211 276.0

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#333881

#817C33

Analogous

#335F81

#553381

#333881

Triadic

#333881

#813338

#388133

Split Complementary

#333881

#815533

#5F8133

Tetradic

#333881

#81335F

#817C33

#338155

Color Blindness Simulation

Original

#333881

Protanopia

#35356F

Deuteranopia

#35346B

Tritanopia

#33615E

Achromatopsia

#3C3C3C

CSS Usage

background-color: #333881;
color: #333881;
border-color: #333881;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E7F4
200
#CCCEEB
300
#A7ABDC
400
#787DCA
500
#484FB7
600
#3A3F92
700
#2E3375
800
#24285B
900
#1E2043
950
#13142B

Contrast Checker

Text on white

10.38:1

AA Pass AAA Pass

Text on black

2.02:1

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