#040B47

#040B47

Color Values

HEX

#040B47

RGB

4, 11, 71

HSL

233,7, 89,3%, 14,7%

HSV

233,7, 94,4%, 27,8%

CMYK

94,4%, 84,5%, 0,0%, 72,2%

OKLCH

0,2027 0,1092 267,0

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#040B47

#474004

Analogous

#042D47

#1E0447

#040B47

Triadic

#040B47

#47040B

#0B4704

Split Complementary

#040B47

#471E04

#2D4704

Tetradic

#040B47

#47042D

#474004

#04471E

Color Blindness Simulation

Original

#040B47

Protanopia

#070738

Deuteranopia

#070635

Tritanopia

#042D2A

Achromatopsia

#0E0E0E

CSS Usage

background-color: #040B47;
color: #040B47;
border-color: #040B47;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F2F3FD
100
#E0E2FB
200
#BBC2FB
300
#8B97F8
400
#4C5EF5
500
#0E26F1
600
#0B1EC1
700
#09189A
800
#071379
900
#0A1257
950
#060B37

Contrast Checker

Text on white

18,36:1

AA Pass AAA Pass

Text on black

1,14:1

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