#3F040B

#3F040B

Color Values

HEX

#3F040B

RGB

63, 4, 11

HSL

352,9, 88,1%, 13,1%

HSV

352,9, 93,7%, 24,7%

CMYK

0,0%, 93,7%, 82,5%, 75,3%

OKLCH

0,2378 0,0881 20,9

Properties

Warm Dark Nearest: RAL 8012 Red Brown

Color Harmonies

Complementary

#3F040B

#043F38

Analogous

#3F0428

#3F1A04

#3F040B

Triadic

#3F040B

#0B3F04

#040B3F

Split Complementary

#3F040B

#043F1A

#04283F

Tetradic

#3F040B

#283F04

#043F38

#1A043F

Color Blindness Simulation

Original

#3F040B

Protanopia

#252509

Deuteranopia

#292D09

Tritanopia

#3C0808

Achromatopsia

#111111

CSS Usage

background-color: #3F040B;
color: #3F040B;
border-color: #3F040B;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FDF2F3
100
#FBE0E3
200
#FBBCC3
300
#F88C99
400
#F44E61
500
#F00F2A
600
#C00C21
700
#990A1B
800
#780815
900
#570A13
950
#37060C

Contrast Checker

Text on white

17,02:1

AA Pass AAA Pass

Text on black

1,23:1

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