#aa1b00

Color #aa1b00

A vivid, highly saturated dark red.

Closest named color Firebrick #b22222 · ΔE 12.8 Nearest Tailwind class orange-800 #9f2d00 · ΔE 3.7

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#aa1b00

RGB

rgb(170, 27, 0)

HSL

hsl(9.5, 100%, 33.3%)

HSV / HSB

hsv(9.5, 100%, 66.7%)

CMYK

cmyk(0%, 84.1%, 100%, 33.3%)

LAB

lab(36.62, 54.76, 50.15)

LCH

lch(36.62, 74.25, 42.48)

OKLCH

oklch(47.5%, 0.1798, 32)

HWB

hwb(9.5, 0%, 33.3%)

Harmony colors

Complementary

#008faa

Analogous

#aa003a

#aa1b00

#aa7000

Triadic

#aa1b00

#00aa1b

#1b00aa

Split-complementary

#aa1b00

#00aa70

#003aaa

Tetradic

#aa1b00

#8faa00

#008faa

#1b00aa

Square

#aa1b00

#3aaa00

#008faa

#7000aa

Shades

Color #aa1b00 mixed toward black.

#8e1600

#711200

#550d00

#390900

#1c0400

Tints

Color #aa1b00 mixed toward white.

#e32400

#ff401c

#ff7055

#ffa08e

#ffcfc6

Tones

Color #aa1b00 mixed toward gray.

#9c250e

#8e2e1c

#7f382a

#714239

#634b47

Accessibility

Aa White text on this color

7.33:1

Aa Black text on this color

2.87:1

White text reads better on this background (7.33:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#858409 · ΔE 44.8

Deuteranopia

#8a910b · ΔE 49.5

Tritanopia

#a60f10 · ΔE 4.3

Achromatopsia

#565656 · ΔE 27.9

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #aa1b00;

Tailwind (arbitrary value)

bg-[#aa1b00]

Related colors

Tomato #ff6347

Salmon #fa8072

Misty Rose #ffe4e1

Dark Salmon #e9967a

Coral #ff7f50

Orange Red #ff4500

Frequently asked questions

#aa1b00 (#aa1b00) is rgb(170, 27, 0) in RGB.

No, #aa1b00 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #aa1b00, or check how it holds up for accessibility.

Generate a palette → Check contrast