What color is #3F5351?

#3F5351 is a dark, grayish spring green, closest to the named color Night Watch. It belongs to the gray family of colors.

What is the RGB value of #3F5351?

The RGB value is 63, 83, 81: 63 red, 83 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #3F5351?

The complementary color is #533F41, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F5351?

White text. Black text has a contrast ratio of 2.57:1 and white text 8.18:1. WCAG asks for at least 4.5:1 for normal text.

#3F5351 color

#3F5351 rgb(63, 83, 81)

Shades of gray

The hex color #3F5351 is a dark, grayish spring green.

In the RGB color model it is made of 24.7% red, 32.5% green and 31.8% blue (63, 83, 81).

Its hue angle is 174°, with 14% saturation and 29% lightness. For print, the CMYK equivalent is 24% cyan, 0% magenta, 2% yellow and 67% black.

The closest named color is Night Watch (#3C4F4E), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.18:1).

#3F5351 color codes

HEX	`#3F5351`
RGB	`rgb(63, 83, 81)`
RGB percent	`rgb(24.7%, 32.5%, 31.8%)`
HSL	`hsl(174, 14%, 29%)`
HSV / HSB	`hsv(174, 24%, 33%)`
CMYK	`cmyk(24%, 0%, 2%, 67%)`
CIE LAB	`lab(33.64, -8.17, -1.36)`
CIE LCH	`lch(33.64, 8.28, 189.45)`
CIE XYZ	`xyz(6.628, 7.837, 8.946)`
Decimal	`4150097`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F5351, 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 #3F5351	Ratio	AA	AAA	AA large
Sample text	2.57:1	Fail	Fail	Fail
Sample text	8.18:1	Pass	Pass	Pass

#3F5351 as text on	Ratio	AA	AAA	AA large
Sample text	8.18:1	Pass	Pass	Pass
Sample text	2.57:1	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 #3F5351 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f5351; }
.text { color: #3f5351; }
.border { border: 2px solid #3f5351; }
.transparent { background-color: rgb(63 83 81 / 50%); }
.gradient { background: linear-gradient(to right, #3f5351, #3f4b53); }

Background

Text color

Border

Similar colors

Questions

What color is #3F5351?: #3F5351 is a dark, grayish spring green, closest to the named color Night Watch. It belongs to the gray family of colors.
What is the RGB value of #3F5351?: The RGB value is 63, 83, 81: 63 red, 83 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #3F5351?: The complementary color is #533F41, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F5351?: White text. Black text has a contrast ratio of 2.57:1 and white text 8.18:1. WCAG asks for at least 4.5:1 for normal text.