#A30406

#A30406

Color Values

HEX

#A30406

RGB

163, 4, 6

HSL

359.2, 95.2%, 32.7%

HSV

359.2, 97.5%, 63.9%

CMYK

0.0%, 97.5%, 96.3%, 36.1%

OKLCH

0.4509 0.1826 28.7

Properties

Warm Dark Nearest: RAL 3013 Tomato Red

Color Harmonies

Complementary

#A30406

#04A3A1

Analogous

#A30456

#A35104

#A30406

Triadic

#A30406

#06A304

#0406A3

Split Complementary

#A30406

#04A351

#0456A3

Tetradic

#A30406

#56A304

#04A3A1

#5104A3

Color Blindness Simulation

Original

#A30406

Protanopia

#5E5D06

Deuteranopia

#677305

Tritanopia

#9B0505

Achromatopsia

#262626

CSS Usage

background-color: #A30406;
color: #A30406;
border-color: #A30406;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FEF1F1
100
#FCDFDF
200
#FDB9BA
300
#FC8889
400
#FA4749
500
#F90609
600
#C70507
700
#9F0406
800
#7C0305
900
#5A0708
950
#390405

Contrast Checker

Text on white

8.15:1

AA Pass AAA Pass

Text on black

2.58:1

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