#661F1F

#661F1F

Color Values

HEX

#661F1F

RGB

102, 31, 31

HSL

0.0, 53.4%, 26.1%

HSV

0.0, 69.6%, 40.0%

CMYK

0.0%, 69.6%, 69.6%, 60.0%

OKLCH

0.3515 0.1023 24.0

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#661F1F

#1F6666

Analogous

#661F43

#66431F

#661F1F

Triadic

#661F1F

#1F661F

#1F1F66

Split Complementary

#661F1F

#1F6643

#1F4366

Tetradic

#661F1F

#43661F

#1F6666

#431F66

Color Blindness Simulation

Original

#661F1F

Protanopia

#47471F

Deuteranopia

#4B511F

Tritanopia

#621F1F

Achromatopsia

#2E2E2E

CSS Usage

background-color: #661F1F;
color: #661F1F;
border-color: #661F1F;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FBF4F4
100
#F5E5E5
200
#EEC8C8
300
#E2A1A1
400
#D36E6E
500
#C43B3B
600
#9C3030
700
#7D2626
800
#621E1E
900
#481919
950
#2D1010

Contrast Checker

Text on white

11.79:1

AA Pass AAA Pass

Text on black

1.78:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026