What color is #3F6463?

#3F6463 is a dark, grayish cyan, closest to the named color Rosemary. It belongs to the teal family of colors.

What is the RGB value of #3F6463?

The RGB value is 63, 100, 99: 63 red, 100 green and 99 blue on a 0 to 255 scale.

What is the complementary color of #3F6463?

The complementary color is #643F40, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F6463?

White text. Black text has a contrast ratio of 3.21:1 and white text 6.53:1. WCAG asks for at least 4.5:1 for normal text.

#3F6463 color

#3F6463 rgb(63, 100, 99)

Shades of teal

The hex color #3F6463 is a dark, grayish cyan.

In the RGB color model it is made of 24.7% red, 39.2% green and 38.8% blue (63, 100, 99).

Its hue angle is 178°, with 23% saturation and 32% lightness. For print, the CMYK equivalent is 37% cyan, 0% magenta, 1% yellow and 61% black.

The closest named color is Rosemary (#405E5C), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.53:1).

#3F6463 color codes

HEX	`#3F6463`
RGB	`rgb(63, 100, 99)`
RGB percent	`rgb(24.7%, 39.2%, 38.8%)`
HSL	`hsl(178, 23%, 32%)`
HSV / HSB	`hsv(178, 37%, 39%)`
CMYK	`cmyk(37%, 0%, 1%, 61%)`
CIE LAB	`lab(39.7, -13.39, -3.63)`
CIE LCH	`lch(39.7, 13.87, 195.15)`
CIE XYZ	`xyz(8.858, 11.071, 13.472)`
Decimal	`4154467`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F6463, 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 #3F6463	Ratio	AA	AAA	AA large
Sample text	3.21:1	Fail	Fail	Pass
Sample text	6.53:1	Pass	Fail	Pass

#3F6463 as text on	Ratio	AA	AAA	AA large
Sample text	6.53:1	Pass	Fail	Pass
Sample text	3.21:1	Fail	Fail	Pass

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 #3F6463 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f6463; }
.text { color: #3f6463; }
.border { border: 2px solid #3f6463; }
.transparent { background-color: rgb(63 100 99 / 50%); }
.gradient { background: linear-gradient(to right, #3f6463, #3f5364); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #3F6463?: #3F6463 is a dark, grayish cyan, closest to the named color Rosemary. It belongs to the teal family of colors.
What is the RGB value of #3F6463?: The RGB value is 63, 100, 99: 63 red, 100 green and 99 blue on a 0 to 255 scale.
What is the complementary color of #3F6463?: The complementary color is #643F40, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F6463?: White text. Black text has a contrast ratio of 3.21:1 and white text 6.53:1. WCAG asks for at least 4.5:1 for normal text.