#040825

#040825

Color Values

HEX

#040825

RGB

4, 8, 37

HSL

232.7, 80.5%, 8.0%

HSV

232.7, 89.2%, 14.5%

CMYK

89.2%, 78.4%, 0.0%, 85.5%

OKLCH

0.1534 0.0606 269.5

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#040825

#252104

Analogous

#041825

#100425

#040825

Triadic

#040825

#250408

#082504

Split Complementary

#040825

#251004

#182504

Tetradic

#040825

#250418

#252104

#042510

Color Blindness Simulation

Original

#040825

Protanopia

#06061E

Deuteranopia

#06051C

Tritanopia

#041817

Achromatopsia

#090909

CSS Usage

background-color: #040825;
color: #040825;
border-color: #040825;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F2F3FD
100
#E1E4F9
200
#BFC6F8
300
#919DF3
400
#5567ED
500
#1932E6
600
#1428B8
700
#102093
800
#0C1973
900
#0D1654
950
#080E35

Contrast Checker

Text on white

19.69:1

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