#040925

#040925

Color Values

HEX

#040925

RGB

4, 9, 37

HSL

230.9, 80.5%, 8.0%

HSV

230.9, 89.2%, 14.5%

CMYK

89.2%, 75.7%, 0.0%, 85.5%

OKLCH

0.1562 0.0588 268.5

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#040925

#252004

Analogous

#041925

#0F0425

#040925

Triadic

#040925

#250409

#092504

Split Complementary

#040925

#250F04

#192504

Tetradic

#040925

#250419

#252004

#04250F

Color Blindness Simulation

Original

#040925

Protanopia

#06061E

Deuteranopia

#06061D

Tritanopia

#041918

Achromatopsia

#0A0A0A

CSS Usage

background-color: #040925;
color: #040925;
border-color: #040925;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F2F4FD
100
#E1E5F9
200
#BFC7F8
300
#919FF3
400
#556CED
500
#1938E6
600
#142DB8
700
#102493
800
#0C1C73
900
#0D1854
950
#080F35

Contrast Checker

Text on white

19.61:1

AA Pass AAA Pass

Text on black

1.07:1

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