#40392E

#40392E

Color Values

HEX

#40392E

RGB

64, 57, 46

HSL

36.7, 16.4%, 21.6%

HSV

36.7, 28.1%, 25.1%

CMYK

0.0%, 10.9%, 28.1%, 74.9%

OKLCH

0.3484 0.0208 79.1

Properties

Warm Dark Nearest: RAL 6006 Grey Olive

Color Harmonies

Complementary

#40392E

#2E3540

Analogous

#40302E

#3E402E

#40392E

Triadic

#40392E

#2E4039

#392E40

Split Complementary

#40392E

#2E3E40

#302E40

Tetradic

#40392E

#2E4030

#2E3540

#402E3E

Color Blindness Simulation

Original

#40392E

Protanopia

#3D3D31

Deuteranopia

#3D3E31

Tritanopia

#403333

Achromatopsia

#3A3A3A

CSS Usage

background-color: #40392E;
color: #40392E;
border-color: #40392E;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F8F8F6
100
#F0EEEB
200
#E1DDD5
300
#CCC4B8
400
#B0A491
500
#94846B
600
#776A55
700
#5F5544
800
#4A4235
900
#383229
950
#23201A

Contrast Checker

Text on white

11.4:1

AA Pass AAA Pass

Text on black

1.84:1

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