#403F28

#403F28

Color Values

HEX

#403F28

RGB

64, 63, 40

HSL

57.5, 23.1%, 20.4%

HSV

57.5, 37.5%, 25.1%

CMYK

0.0%, 1.6%, 37.5%, 74.9%

OKLCH

0.362 0.0369 106.0

Properties

Warm Dark Nearest: RAL 7013 Brown Grey

Color Harmonies

Complementary

#403F28

#282940

Analogous

#403328

#354028

#403F28

Triadic

#403F28

#28403F

#3F2840

Split Complementary

#403F28

#283540

#332840

Tetradic

#403F28

#284033

#282940

#402835

Color Blindness Simulation

Original

#403F28

Protanopia

#40402E

Deuteranopia

#40402F

Tritanopia

#403233

Achromatopsia

#3E3E3E

CSS Usage

background-color: #403F28;
color: #403F28;
border-color: #403F28;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F9F9F6
100
#F1F0EA
200
#E4E3D3
300
#D0CFB4
400
#B6B58B
500
#9D9A62
600
#7E7C4E
700
#64633F
800
#4E4D31
900
#3B3A26
950
#252418

Contrast Checker

Text on white

10.72:1

AA Pass AAA Pass

Text on black

1.96:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026