What color is #424B64?

#424B64 is a dark, grayish blue, closest to the named color Bonne Nuit. It belongs to the blue family of colors.

What is the RGB value of #424B64?

The RGB value is 66, 75, 100: 66 red, 75 green and 100 blue on a 0 to 255 scale.

What is the complementary color of #424B64?

The complementary color is #645B42, found by rotating the hue 180° on the color wheel.

Is black or white text better on #424B64?

White text. Black text has a contrast ratio of 2.42:1 and white text 8.67:1. WCAG asks for at least 4.5:1 for normal text.

#424B64 color

#424B64 rgb(66, 75, 100)

Shades of blue

The hex color #424B64 is a dark, grayish blue.

In the RGB color model it is made of 25.9% red, 29.4% green and 39.2% blue (66, 75, 100).

Its hue angle is 224°, with 20% saturation and 33% lightness. For print, the CMYK equivalent is 34% cyan, 25% magenta, 0% yellow and 61% black.

The closest named color is Bonne Nuit (#3A4866), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 8.67:1).

#424B64 color codes

HEX	`#424B64`
RGB	`rgb(66, 75, 100)`
RGB percent	`rgb(25.9%, 29.4%, 39.2%)`
HSL	`hsl(224, 20%, 33%)`
HSV / HSB	`hsv(224, 34%, 39%)`
CMYK	`cmyk(34%, 25%, 0%, 61%)`
CIE LAB	`lab(32.06, 3.06, -15.76)`
CIE LCH	`lch(32.06, 16.06, 281)`
CIE XYZ	`xyz(7.062, 7.11, 13.054)`
Decimal	`4344676`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #424B64, 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 #424B64	Ratio	AA	AAA	AA large
Sample text	2.42:1	Fail	Fail	Fail
Sample text	8.67:1	Pass	Pass	Pass

#424B64 as text on	Ratio	AA	AAA	AA large
Sample text	8.67:1	Pass	Pass	Pass
Sample text	2.42:1	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 #424B64 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #424b64; }
.text { color: #424b64; }
.border { border: 2px solid #424b64; }
.transparent { background-color: rgb(66 75 100 / 50%); }
.gradient { background: linear-gradient(to right, #424b64, #4a4264); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #424B64?: #424B64 is a dark, grayish blue, closest to the named color Bonne Nuit. It belongs to the blue family of colors.
What is the RGB value of #424B64?: The RGB value is 66, 75, 100: 66 red, 75 green and 100 blue on a 0 to 255 scale.
What is the complementary color of #424B64?: The complementary color is #645B42, found by rotating the hue 180° on the color wheel.
Is black or white text better on #424B64?: White text. Black text has a contrast ratio of 2.42:1 and white text 8.67:1. WCAG asks for at least 4.5:1 for normal text.