#040C47

#040C47

Color Values

HEX

#040C47

RGB

4, 12, 71

HSL

232,8, 89,3%, 14,7%

HSV

232,8, 94,4%, 27,8%

CMYK

94,4%, 83,1%, 0,0%, 72,2%

OKLCH

0,2045 0,1081 266,8

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#040C47

#473F04

Analogous

#042E47

#1D0447

#040C47

Triadic

#040C47

#47040C

#0C4704

Split Complementary

#040C47

#471D04

#2E4704

Tetradic

#040C47

#47042E

#473F04

#04471D

Color Blindness Simulation

Original

#040C47

Protanopia

#070839

Deuteranopia

#070635

Tritanopia

#042D2B

Achromatopsia

#0F0F0F

CSS Usage

background-color: #040C47;
color: #040C47;
border-color: #040C47;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F2F3FD
100
#E0E3FB
200
#BBC3FB
300
#8B98F8
400
#4C61F5
500
#0E29F1
600
#0B21C1
700
#091A9A
800
#071479
900
#0A1357
950
#060C37

Contrast Checker

Text on white

18,28:1

AA Pass AAA Pass

Text on black

1,15:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

يناير 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

يناير 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

يناير 15, 2026