What color is #3F5255?

#3F5255 is a dark, grayish cyan, closest to the named color All Nighter. It belongs to the gray family of colors.

What is the RGB value of #3F5255?

The RGB value is 63, 82, 85: 63 red, 82 green and 85 blue on a 0 to 255 scale.

What is the complementary color of #3F5255?

The complementary color is #55423F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F5255?

White text. Black text has a contrast ratio of 2.55:1 and white text 8.24:1. WCAG asks for at least 4.5:1 for normal text.

#3F5255 color

#3F5255 rgb(63, 82, 85)

Shades of gray

The hex color #3F5255 is a dark, grayish cyan.

In the RGB color model it is made of 24.7% red, 32.2% green and 33.3% blue (63, 82, 85).

Its hue angle is 188°, with 15% saturation and 29% lightness. For print, the CMYK equivalent is 26% cyan, 4% magenta, 0% yellow and 67% black.

The closest named color is All Nighter (#455454), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 8.24:1).

#3F5255 color codes

HEX	`#3F5255`
RGB	`rgb(63, 82, 85)`
RGB percent	`rgb(24.7%, 32.2%, 33.3%)`
HSL	`hsl(188, 15%, 29%)`
HSV / HSB	`hsv(188, 26%, 33%)`
CMYK	`cmyk(26%, 4%, 0%, 67%)`
CIE LAB	`lab(33.45, -6.54, -4.17)`
CIE LCH	`lch(33.45, 7.75, 212.54)`
CIE XYZ	`xyz(6.706, 7.747, 9.735)`
Decimal	`4149845`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F5255, 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 #3F5255	Ratio	AA	AAA	AA large
Sample text	2.55:1	Fail	Fail	Fail
Sample text	8.24:1	Pass	Pass	Pass

#3F5255 as text on	Ratio	AA	AAA	AA large
Sample text	8.24:1	Pass	Pass	Pass
Sample text	2.55:1	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 #3F5255 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f5255; }
.text { color: #3f5255; }
.border { border: 2px solid #3f5255; }
.transparent { background-color: rgb(63 82 85 / 50%); }
.gradient { background: linear-gradient(to right, #3f5255, #3f4755); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #3F5255?: #3F5255 is a dark, grayish cyan, closest to the named color All Nighter. It belongs to the gray family of colors.
What is the RGB value of #3F5255?: The RGB value is 63, 82, 85: 63 red, 82 green and 85 blue on a 0 to 255 scale.
What is the complementary color of #3F5255?: The complementary color is #55423F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F5255?: White text. Black text has a contrast ratio of 2.55:1 and white text 8.24:1. WCAG asks for at least 4.5:1 for normal text.