#AA0305

#AA0305

Color Values

HEX

#AA0305

RGB

170, 3, 5

HSL

359.3, 96.5%, 33.9%

HSV

359.3, 98.2%, 66.7%

CMYK

0.0%, 98.2%, 97.1%, 33.3%

OKLCH

0.4646 0.1889 28.8

Properties

Warm Dark Nearest: RAL 2002 Vermilion

Color Harmonies

Complementary

#AA0305

#03AAA8

Analogous

#AA0358

#AA5403

#AA0305

Triadic

#AA0305

#05AA03

#0305AA

Split Complementary

#AA0305

#03AA54

#0358AA

Tetradic

#AA0305

#58AA03

#03AAA8

#5403AA

Color Blindness Simulation

Original

#AA0305

Protanopia

#626005

Deuteranopia

#6B7804

Tritanopia

#A20404

Achromatopsia

#272727

CSS Usage

background-color: #AA0305;
color: #AA0305;
border-color: #AA0305;
Nearest Tailwind: Red 700 #B91C1C

Tailwind Shades

50
#FEF1F1
100
#FCDFDF
200
#FEB9BA
300
#FD8788
400
#FC4648
500
#FB0407
600
#C80406
700
#A00305
800
#7D0204
900
#5B0607
950
#390405

Contrast Checker

Text on white

7.71:1

AA Pass AAA Pass

Text on black

2.72:1

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