What color is #664E57?

#664E57 is a dark, grayish rose, closest to the named color Pinot Noir. It belongs to the gray family of colors.

What is the RGB value of #664E57?

The RGB value is 102, 78, 87: 102 red, 78 green and 87 blue on a 0 to 255 scale.

What is the complementary color of #664E57?

The complementary color is #4E665D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #664E57?

White text. Black text has a contrast ratio of 2.79:1 and white text 7.52:1. WCAG asks for at least 4.5:1 for normal text.

#664E57 color

#664E57 rgb(102, 78, 87)

Shades of gray

The hex color #664E57 is a dark, grayish rose.

In the RGB color model it is made of 40% red, 30.6% green and 34.1% blue (102, 78, 87).

Its hue angle is 338°, with 13% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 24% magenta, 15% yellow and 60% black.

The closest named color is Pinot Noir (#605258), a difference of 4.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 7.52:1).

#664E57 color codes

HEX	`#664E57`
RGB	`rgb(102, 78, 87)`
RGB percent	`rgb(40%, 30.6%, 34.1%)`
HSL	`hsl(338, 13%, 35%)`
HSV / HSB	`hsv(338, 24%, 40%)`
CMYK	`cmyk(0%, 24%, 15%, 60%)`
CIE LAB	`lab(35.91, 11.69, -1.4)`
CIE LCH	`lch(35.91, 11.77, 353.19)`
CIE XYZ	`xyz(9.924, 8.962, 10.222)`
Decimal	`6704727`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #664E57, 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 #664E57	Ratio	AA	AAA	AA large
Sample text	2.79:1	Fail	Fail	Fail
Sample text	7.52:1	Pass	Pass	Pass

#664E57 as text on	Ratio	AA	AAA	AA large
Sample text	7.52:1	Pass	Pass	Pass
Sample text	2.79:1	Fail	Fail	Fail

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 #664E57 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #664e57; }
.text { color: #664e57; }
.border { border: 2px solid #664e57; }
.transparent { background-color: rgb(102 78 87 / 50%); }
.gradient { background: linear-gradient(to right, #664e57, #66514e); }

Background

Text color

Border

Similar colors

Questions

What color is #664E57?: #664E57 is a dark, grayish rose, closest to the named color Pinot Noir. It belongs to the gray family of colors.
What is the RGB value of #664E57?: The RGB value is 102, 78, 87: 102 red, 78 green and 87 blue on a 0 to 255 scale.
What is the complementary color of #664E57?: The complementary color is #4E665D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #664E57?: White text. Black text has a contrast ratio of 2.79:1 and white text 7.52:1. WCAG asks for at least 4.5:1 for normal text.