#C0171B

#C0171B

Color Values

HEX

#C0171B

RGB

192, 23, 27

HSL

358,6, 78,6%, 42,2%

HSV

358,6, 88,0%, 75,3%

CMYK

0,0%, 88,0%, 85,9%, 24,7%

OKLCH

0,516 0,1993 27,3

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#C0171B

#17C0BC

Analogous

#C01770

#C06817

#C0171B

Triadic

#C0171B

#1BC017

#171BC0

Split Complementary

#C0171B

#17C068

#1770C0

Tetradic

#C0171B

#70C017

#17C0BC

#6817C0

Color Blindness Simulation

Original

#C0171B

Protanopia

#77751A

Deuteranopia

#818D1A

Tritanopia

#B81919

Achromatopsia

#3B3B3B

CSS Usage

background-color: #C0171B;
color: #C0171B;
border-color: #C0171B;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FCF2F2
100
#F9E1E2
200
#F7BFC1
300
#F29294
400
#EB565A
500
#E41B20
600
#B6161A
700
#921114
800
#720E10
900
#530E10
950
#34090A

Contrast Checker

Text on white

6,21:1

AA Pass AAA Fail

Text on black

3,38:1

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