#3F0307

#3F0307

Color Values

HEX

#3F0307

RGB

63, 3, 7

HSL

356.0, 90.9%, 12.9%

HSV

356.0, 95.2%, 24.7%

CMYK

0.0%, 95.2%, 88.9%, 75.3%

OKLCH

0.2359 0.0897 23.9

Properties

Warm Dark Nearest: RAL 8012 Red Brown

Color Harmonies

Complementary

#3F0307

#033F3B

Analogous

#3F0325

#3F1D03

#3F0307

Triadic

#3F0307

#073F03

#03073F

Split Complementary

#3F0307

#033F1D

#03253F

Tetradic

#3F0307

#253F03

#033F3B

#1D033F

Color Blindness Simulation

Original

#3F0307

Protanopia

#252406

Deuteranopia

#282D06

Tritanopia

#3C0505

Achromatopsia

#101010

CSS Usage

background-color: #3F0307;
color: #3F0307;
border-color: #3F0307;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FDF1F2
100
#FBDFE1
200
#FCBBBF
300
#F98A92
400
#F64B56
500
#F30C1B
600
#C30916
700
#9C0711
800
#7A060E
900
#58090E
950
#380609

Contrast Checker

Text on white

17.11:1

AA Pass AAA Pass

Text on black

1.23:1

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