What color is #405F63?

#405F63 is a dark, grayish cyan, closest to the named color Arctic Nights. It belongs to the gray family of colors.

What is the RGB value of #405F63?

The RGB value is 64, 95, 99: 64 red, 95 green and 99 blue on a 0 to 255 scale.

What is the complementary color of #405F63?

The complementary color is #634440, found by rotating the hue 180° on the color wheel.

Is black or white text better on #405F63?

White text. Black text has a contrast ratio of 3.04:1 and white text 6.92:1. WCAG asks for at least 4.5:1 for normal text.

#405F63 color

#405F63 rgb(64, 95, 99)

Shades of gray

The hex color #405F63 is a dark, grayish cyan.

In the RGB color model it is made of 25.1% red, 37.3% green and 38.8% blue (64, 95, 99).

Its hue angle is 187°, with 21% saturation and 32% lightness. For print, the CMYK equivalent is 35% cyan, 4% magenta, 0% yellow and 61% black.

The closest named color is Arctic Nights (#345C61), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.92:1).

#405F63 color codes

HEX	`#405F63`
RGB	`rgb(64, 95, 99)`
RGB percent	`rgb(25.1%, 37.3%, 38.8%)`
HSL	`hsl(187, 21%, 32%)`
HSV / HSB	`hsv(187, 35%, 39%)`
CMYK	`cmyk(35%, 4%, 0%, 61%)`
CIE LAB	`lab(38.15, -10.2, -5.91)`
CIE LCH	`lch(38.15, 11.79, 210.11)`
CIE XYZ	`xyz(8.458, 10.175, 13.32)`
Decimal	`4218723`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #405F63, 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 #405F63	Ratio	AA	AAA	AA large
Sample text	3.04:1	Fail	Fail	Pass
Sample text	6.92:1	Pass	Fail	Pass

#405F63 as text on	Ratio	AA	AAA	AA large
Sample text	6.92:1	Pass	Fail	Pass
Sample text	3.04:1	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 #405F63 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #405f63; }
.text { color: #405f63; }
.border { border: 2px solid #405f63; }
.transparent { background-color: rgb(64 95 99 / 50%); }
.gradient { background: linear-gradient(to right, #405f63, #404d63); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #405F63?: #405F63 is a dark, grayish cyan, closest to the named color Arctic Nights. It belongs to the gray family of colors.
What is the RGB value of #405F63?: The RGB value is 64, 95, 99: 64 red, 95 green and 99 blue on a 0 to 255 scale.
What is the complementary color of #405F63?: The complementary color is #634440, found by rotating the hue 180° on the color wheel.
Is black or white text better on #405F63?: White text. Black text has a contrast ratio of 3.04:1 and white text 6.92:1. WCAG asks for at least 4.5:1 for normal text.