#404CB9

#404CB9

Color Values

HEX

#404CB9

RGB

64, 76, 185

HSL

234,0, 48,6%, 48,8%

HSV

234,0, 65,4%, 72,5%

CMYK

65,4%, 58,9%, 0,0%, 27,5%

OKLCH

0,4724 0,1705 273,2

Properties

Cool Dark Nearest: royalblue 3

Color Harmonies

Complementary

#404CB9

#B9AD40

Analogous

#4089B9

#7040B9

#404CB9

Triadic

#404CB9

#B9404C

#4CB940

Split Complementary

#404CB9

#B97040

#89B940

Tetradic

#404CB9

#B94089

#B9AD40

#40B970

Color Blindness Simulation

Original

#404CB9

Protanopia

#45459F

Deuteranopia

#444498

Tritanopia

#418A85

Achromatopsia

#515151

CSS Usage

background-color: #404CB9;
color: #404CB9;
border-color: #404CB9;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F5FB
100
#E6E7F5
200
#CACDED
300
#A4AAE0
400
#737CCF
500
#424EBD
600
#343E98
700
#2A3279
800
#21275F
900
#1B1F46
950
#11142C

Contrast Checker

Text on white

7,11:1

AA Pass AAA Pass

Text on black

2,95:1

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