#353B81

#353B81

Color Values

HEX

#353B81

RGB

53, 59, 129

HSL

235.3, 41.8%, 35.7%

HSV

235.3, 58.9%, 50.6%

CMYK

58.9%, 54.3%, 0.0%, 49.4%

OKLCH

0.3873 0.1164 275.8

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#353B81

#817B35

Analogous

#356181

#553581

#353B81

Triadic

#353B81

#81353B

#3B8135

Split Complementary

#353B81

#815535

#618135

Tetradic

#353B81

#813561

#817B35

#358155

Color Blindness Simulation

Original

#353B81

Protanopia

#383870

Deuteranopia

#37376C

Tritanopia

#356360

Achromatopsia

#3F3F3F

CSS Usage

background-color: #353B81;
color: #353B81;
border-color: #353B81;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CCCFEA
300
#A8ACDB
400
#797FC8
500
#4A53B5
600
#3B4291
700
#2F3574
800
#25295A
900
#1E2143
950
#13152A

Contrast Checker

Text on white

10.03:1

AA Pass AAA Pass

Text on black

2.09:1

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