#403454

#403454

Color Values

HEX

#403454

RGB

64, 52, 84

HSL

262.5, 23.5%, 26.7%

HSV

262.5, 38.1%, 32.9%

CMYK

23.8%, 38.1%, 0.0%, 67.1%

OKLCH

0.3523 0.0563 300.8

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#403454

#485434

Analogous

#343854

#503454

#403454

Triadic

#403454

#544034

#345440

Split Complementary

#403454

#545034

#385434

Tetradic

#403454

#543438

#485434

#345450

Color Blindness Simulation

Original

#403454

Protanopia

#3B3B4C

Deuteranopia

#3C3C4A

Tritanopia

#3F4645

Achromatopsia

#393939

CSS Usage

background-color: #403454;
color: #403454;
border-color: #403454;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F7F6F9
100
#ECEAF1
200
#D9D3E4
300
#BEB3D0
400
#9B8AB7
500
#78629D
600
#604E7E
700
#4D3E65
800
#3C314F
900
#2E263B
950
#1D1825

Contrast Checker

Text on white

11.43:1

AA Pass AAA Pass

Text on black

1.84:1

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