#40292B

#40292B

Color Values

HEX

#40292B

RGB

64, 41, 43

HSL

354.8, 21.9%, 20.6%

HSV

354.8, 35.9%, 25.1%

CMYK

0.0%, 35.9%, 32.8%, 74.9%

OKLCH

0.3097 0.0346 13.5

Properties

Warm Dark Nearest: RAL 3007 Black Red

Color Harmonies

Complementary

#40292B

#29403E

Analogous

#402937

#403329

#40292B

Triadic

#40292B

#2B4029

#292B40

Split Complementary

#40292B

#294033

#293740

Tetradic

#40292B

#374029

#29403E

#332940

Color Blindness Simulation

Original

#40292B

Protanopia

#36362B

Deuteranopia

#37392A

Tritanopia

#3F2A2A

Achromatopsia

#2E2E2E

CSS Usage

background-color: #40292B;
color: #40292B;
border-color: #40292B;
Nearest Tailwind: Stone 800 #292524

Tailwind Shades

50
#F9F6F6
100
#F0EAEA
200
#E3D3D5
300
#CFB4B7
400
#B58C90
500
#9B6468
600
#7C5054
700
#634043
800
#4E3234
900
#3A2729
950
#25191A

Contrast Checker

Text on white

13.38:1

AA Pass AAA Pass

Text on black

1.57:1

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