#40381B

#40381B

Color Values

HEX

#40381B

RGB

64, 56, 27

HSL

47.0, 40.7%, 17.8%

HSV

47.0, 57.8%, 25.1%

CMYK

0.0%, 12.5%, 57.8%, 74.9%

OKLCH

0.3416 0.046 94.3

Properties

Warm Dark Nearest: RAL 6014 Yellow Olive

Color Harmonies

Complementary

#40381B

#1B2340

Analogous

#40251B

#35401B

#40381B

Triadic

#40381B

#1B4038

#381B40

Split Complementary

#40381B

#1B3540

#251B40

Tetradic

#40381B

#1B4025

#1B2340

#401B35

Color Blindness Simulation

Original

#40381B

Protanopia

#3D3C22

Deuteranopia

#3D3E24

Tritanopia

#402829

Achromatopsia

#383838

CSS Usage

background-color: #40381B;
color: #40381B;
border-color: #40381B;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#FAF9F5
100
#F3F1E7
200
#EAE4CD
300
#DBD0A9
400
#C7B67A
500
#B39D4C
600
#907E3C
700
#736430
800
#5A4E26
900
#423B1F
950
#2A2513

Contrast Checker

Text on white

11.67:1

AA Pass AAA Pass

Text on black

1.8:1

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