What color is #3F4755?

#3F4755 is a dark, grayish azure, closest to the named color Dark Crypt. It belongs to the gray family of colors.

What is the RGB value of #3F4755?

The RGB value is 63, 71, 85: 63 red, 71 green and 85 blue on a 0 to 255 scale.

What is the complementary color of #3F4755?

The complementary color is #554D3F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4755?

White text. Black text has a contrast ratio of 2.24:1 and white text 9.36:1. WCAG asks for at least 4.5:1 for normal text.

#3F4755 color

#3F4755 rgb(63, 71, 85)

Shades of gray

The hex color #3F4755 is a dark, grayish azure.

In the RGB color model it is made of 24.7% red, 27.8% green and 33.3% blue (63, 71, 85).

Its hue angle is 218°, with 15% saturation and 29% lightness. For print, the CMYK equivalent is 26% cyan, 16% magenta, 0% yellow and 67% black.

The closest named color is Dark Crypt (#3F4551), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.36:1).

#3F4755 color codes

HEX	`#3F4755`
RGB	`rgb(63, 71, 85)`
RGB percent	`rgb(24.7%, 27.8%, 33.3%)`
HSL	`hsl(218, 15%, 29%)`
HSV / HSB	`hsv(218, 26%, 33%)`
CMYK	`cmyk(26%, 16%, 0%, 67%)`
CIE LAB	`lab(29.96, 0.35, -9.4)`
CIE LCH	`lch(29.96, 9.41, 272.14)`
CIE XYZ	`xyz(5.942, 6.219, 9.48)`
Decimal	`4147029`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4755, 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 #3F4755	Ratio	AA	AAA	AA large
Sample text	2.24:1	Fail	Fail	Fail
Sample text	9.36:1	Pass	Pass	Pass

#3F4755 as text on	Ratio	AA	AAA	AA large
Sample text	9.36:1	Pass	Pass	Pass
Sample text	2.24:1	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 #3F4755 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4755; }
.text { color: #3f4755; }
.border { border: 2px solid #3f4755; }
.transparent { background-color: rgb(63 71 85 / 50%); }
.gradient { background: linear-gradient(to right, #3f4755, #423f55); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #3F4755?: #3F4755 is a dark, grayish azure, closest to the named color Dark Crypt. It belongs to the gray family of colors.
What is the RGB value of #3F4755?: The RGB value is 63, 71, 85: 63 red, 71 green and 85 blue on a 0 to 255 scale.
What is the complementary color of #3F4755?: The complementary color is #554D3F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4755?: White text. Black text has a contrast ratio of 2.24:1 and white text 9.36:1. WCAG asks for at least 4.5:1 for normal text.