#661b18

Color #661b18

A moderately saturated dark red.

Closest named color Maroon #800000 · ΔE 22.55 Nearest Tailwind class red-900 #82181a · ΔE 5.7

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Conversions

HEX

#661b18

RGB

rgb(102, 27, 24)

HSL

hsl(2.3, 61.9%, 24.7%)

HSV / HSB

hsv(2.3, 76.5%, 40%)

CMYK

cmyk(0%, 73.5%, 76.5%, 60%)

LAB

lab(22.57, 33.25, 21.31)

LCH

lch(22.57, 39.49, 32.66)

OKLCH

oklch(34.5%, 0.1078, 26.73)

HWB

hwb(2.3, 9.4%, 60%)

Harmony colors

Complementary

#186366

Analogous

#66183c

#661b18

#664218

Triadic

#661b18

#18661b

#1b1866

Split-complementary

#661b18

#186642

#183c66

Tetradic

#661b18

#636618

#186366

#1b1866

Square

#661b18

#3c6618

#186366

#421866

Shades

Color #661b18 mixed toward black.

#551614

#441210

#330d0c

#220908

#110404

Tints

Color #661b18 mixed toward white.

#9a2924

#ce3630

#da6864

#e79a97

#f3cdcb

Tones

Color #661b18 mixed toward gray.

#5f211e

#592725

#522d2b

#4c3332

#453938

Accessibility

Aa White text on this color

12.1:1

Aa Black text on this color

1.73:1

White text reads better on this background (12.1:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#504f19 · ΔE 32.8

Deuteranopia

#535719 · ΔE 36

Tritanopia

#641919 · ΔE 1.1

Achromatopsia

#363636 · ΔE 23.1

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

Code

CSS

background-color: #661b18;

Tailwind (arbitrary value)

bg-[#661b18]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#661b18 (#661b18) is rgb(102, 27, 24) in RGB.

No, #661b18 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

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

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Contrast Checker

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

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Palette Generator

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

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Build something with this color

Generate a full palette from #661b18, or check how it holds up for accessibility.

Generate a palette → Check contrast