#040722

#040722

Color Values

HEX

#040722

RGB

4, 7, 34

HSL

234.0, 78.9%, 7.5%

HSV

234.0, 88.2%, 13.3%

CMYK

88.2%, 79.4%, 0.0%, 86.7%

OKLCH

0.1471 0.0572 270.7

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#040722

#221F04

Analogous

#041622

#100422

#040722

Triadic

#040722

#220407

#072204

Split Complementary

#040722

#221004

#162204

Tetradic

#040722

#220416

#221F04

#042210

Color Blindness Simulation

Original

#040722

Protanopia

#05051B

Deuteranopia

#05051A

Tritanopia

#041615

Achromatopsia

#080808

CSS Usage

background-color: #040722;
color: #040722;
border-color: #040722;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F2F3FC
100
#E1E4F9
200
#BFC5F7
300
#929BF2
400
#5665EB
500
#1B2FE4
600
#1626B6
700
#111E92
800
#0D1872
900
#0E1553
950
#090D34

Contrast Checker

Text on white

19.84:1

AA Pass AAA Pass

Text on black

1.06:1

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