What color is #39404B?

#39404B is a dark, grayish azure, closest to the named color Inkblot. It belongs to the gray family of colors.

What is the RGB value of #39404B?

The RGB value is 57, 64, 75: 57 red, 64 green and 75 blue on a 0 to 255 scale.

What is the complementary color of #39404B?

The complementary color is #4B4439, found by rotating the hue 180° on the color wheel.

Is black or white text better on #39404B?

White text. Black text has a contrast ratio of 2.01:1 and white text 10.45:1. WCAG asks for at least 4.5:1 for normal text.

#39404B color

#39404B rgb(57, 64, 75)

Shades of gray

The hex color #39404B is a dark, grayish azure.

In the RGB color model it is made of 22.4% red, 25.1% green and 29.4% blue (57, 64, 75).

Its hue angle is 217°, with 14% saturation and 26% lightness. For print, the CMYK equivalent is 24% cyan, 15% magenta, 0% yellow and 71% black.

The closest named color is Inkblot (#393F4B), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.45:1).

#39404B color codes

HEX	`#39404B`
RGB	`rgb(57, 64, 75)`
RGB percent	`rgb(22.4%, 25.1%, 29.4%)`
HSL	`hsl(217, 14%, 26%)`
HSV / HSB	`hsv(217, 24%, 29%)`
CMYK	`cmyk(24%, 15%, 0%, 71%)`
CIE LAB	`lab(26.86, -0.05, -7.63)`
CIE LCH	`lch(26.86, 7.63, 269.59)`
CIE XYZ	`xyz(4.79, 5.045, 7.377)`
Decimal	`3752011`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #39404B, 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 #39404B	Ratio	AA	AAA	AA large
Sample text	2.01:1	Fail	Fail	Fail
Sample text	10.45:1	Pass	Pass	Pass

#39404B as text on	Ratio	AA	AAA	AA large
Sample text	10.45:1	Pass	Pass	Pass
Sample text	2.01:1	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 #39404B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #39404b; }
.text { color: #39404b; }
.border { border: 2px solid #39404b; }
.transparent { background-color: rgb(57 64 75 / 50%); }
.gradient { background: linear-gradient(to right, #39404b, #3b394b); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #39404B?: #39404B is a dark, grayish azure, closest to the named color Inkblot. It belongs to the gray family of colors.
What is the RGB value of #39404B?: The RGB value is 57, 64, 75: 57 red, 64 green and 75 blue on a 0 to 255 scale.
What is the complementary color of #39404B?: The complementary color is #4B4439, found by rotating the hue 180° on the color wheel.
Is black or white text better on #39404B?: White text. Black text has a contrast ratio of 2.01:1 and white text 10.45:1. WCAG asks for at least 4.5:1 for normal text.