#663E40 color

#663E40 rgb(102, 62, 64)
Shades of red

The hex color #663E40 is a dark, grayish red.

In the RGB color model it is made of 40% red, 24.3% green and 25.1% blue (102, 62, 64).

Its hue angle is 357°, with 24% saturation and 32% lightness. For print, the CMYK equivalent is 0% cyan, 39% magenta, 37% yellow and 60% black.

The closest named color is Red Rumour (#693F43), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.02:1).

#663E40 color codes

HEX#663E40
RGBrgb(102, 62, 64)
RGB percentrgb(40%, 24.3%, 25.1%)
HSLhsl(357, 24%, 32%)
HSV / HSBhsv(357, 39%, 40%)
CMYKcmyk(0%, 39%, 37%, 60%)
CIE LABlab(30.97, 17.81, 6.16)
CIE LCHlch(30.97, 18.84, 19.08)
CIE XYZxyz(8.128, 6.641, 5.703)
Decimal6700608
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #663E40, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #663E40RatioAAAAAAA large
Sample text2.33:1FailFailFail
Sample text9.02:1PassPassPass
#663E40 as text onRatioAAAAAAA large
Sample text9.02:1PassPassPass
Sample text2.33:1FailFailFail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #663E40 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #663e40; }
.text { color: #663e40; }
.border { border: 2px solid #663e40; }
.transparent { background-color: rgb(102 62 64 / 50%); }
.gradient { background: linear-gradient(to right, #663e40, #66503e); }
Background
Text color
Border

Similar colors

Closest common color name: Wine.

Questions

What color is #663E40?
#663E40 is a dark, grayish red, closest to the named color Red Rumour. It belongs to the red family of colors.
What is the RGB value of #663E40?
The RGB value is 102, 62, 64: 102 red, 62 green and 64 blue on a 0 to 255 scale.
What is the complementary color of #663E40?
The complementary color is #3E6664, found by rotating the hue 180° on the color wheel.
Is black or white text better on #663E40?
White text. Black text has a contrast ratio of 2.33:1 and white text 9.02:1. WCAG asks for at least 4.5:1 for normal text.