#5B1215

#5B1215

Color Values

HEX

#5B1215

RGB

91, 18, 21

HSL

357.5, 67.0%, 21.4%

HSV

357.5, 80.2%, 35.7%

CMYK

0.0%, 80.2%, 76.9%, 64.3%

OKLCH

0.3132 0.1048 23.7

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#5B1215

#125B58

Analogous

#5B123A

#5B3412

#5B1215

Triadic

#5B1215

#155B12

#12155B

Split Complementary

#5B1215

#125B34

#123A5B

Tetradic

#5B1215

#3A5B12

#125B58

#34125B

Color Blindness Simulation

Original

#5B1215

Protanopia

#3B3B14

Deuteranopia

#404514

Tritanopia

#571414

Achromatopsia

#222222

CSS Usage

background-color: #5B1215;
color: #5B1215;
border-color: #5B1215;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FCF3F3
100
#F7E3E4
200
#F3C3C5
300
#EB999C
400
#E06167
500
#D52A31
600
#AA2227
700
#881B1F
800
#6A1519
900
#4E1316
950
#310C0E

Contrast Checker

Text on white

13.62:1

AA Pass AAA Pass

Text on black

1.54:1

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