What color is #424757?

#424757 is a dark, grayish blue, closest to the named color Madonna. It belongs to the gray family of colors.

What is the RGB value of #424757?

The RGB value is 66, 71, 87: 66 red, 71 green and 87 blue on a 0 to 255 scale.

What is the complementary color of #424757?

The complementary color is #575242, found by rotating the hue 180° on the color wheel.

Is black or white text better on #424757?

White text. Black text has a contrast ratio of 2.27:1 and white text 9.25:1. WCAG asks for at least 4.5:1 for normal text.

#424757 color

#424757 rgb(66, 71, 87)

Shades of gray

The hex color #424757 is a dark, grayish blue.

In the RGB color model it is made of 25.9% red, 27.8% green and 34.1% blue (66, 71, 87).

Its hue angle is 226°, with 14% saturation and 30% lightness. For print, the CMYK equivalent is 24% cyan, 18% magenta, 0% yellow and 66% black.

The closest named color is Madonna (#3F4250), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.25:1).

#424757 color codes

HEX	`#424757`
RGB	`rgb(66, 71, 87)`
RGB percent	`rgb(25.9%, 27.8%, 34.1%)`
HSL	`hsl(226, 14%, 30%)`
HSV / HSB	`hsv(226, 24%, 34%)`
CMYK	`cmyk(24%, 18%, 0%, 66%)`
CIE LAB	`lab(30.29, 1.98, -10.17)`
CIE LCH	`lch(30.29, 10.36, 281.03)`
CIE XYZ	`xyz(6.22, 6.353, 9.913)`
Decimal	`4343639`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #424757, 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 #424757	Ratio	AA	AAA	AA large
Sample text	2.27:1	Fail	Fail	Fail
Sample text	9.25:1	Pass	Pass	Pass

#424757 as text on	Ratio	AA	AAA	AA large
Sample text	9.25:1	Pass	Pass	Pass
Sample text	2.27:1	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 #424757 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #424757; }
.text { color: #424757; }
.border { border: 2px solid #424757; }
.transparent { background-color: rgb(66 71 87 / 50%); }
.gradient { background: linear-gradient(to right, #424757, #484257); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #424757?: #424757 is a dark, grayish blue, closest to the named color Madonna. It belongs to the gray family of colors.
What is the RGB value of #424757?: The RGB value is 66, 71, 87: 66 red, 71 green and 87 blue on a 0 to 255 scale.
What is the complementary color of #424757?: The complementary color is #575242, found by rotating the hue 180° on the color wheel.
Is black or white text better on #424757?: White text. Black text has a contrast ratio of 2.27:1 and white text 9.25:1. WCAG asks for at least 4.5:1 for normal text.