What color is #42423F?

#42423F is a dark gray, closest to the named color Vulcanised. It belongs to the gray family of colors.

What is the RGB value of #42423F?

The RGB value is 66, 66, 63: 66 red, 66 green and 63 blue on a 0 to 255 scale.

What is the complementary color of #42423F?

The complementary color is #3F3F42, found by rotating the hue 180° on the color wheel.

Is black or white text better on #42423F?

White text. Black text has a contrast ratio of 2.08:1 and white text 10.08:1. WCAG asks for at least 4.5:1 for normal text.

#42423F color

#42423F rgb(66, 66, 63)

Shades of gray

The hex color #42423F is a dark gray.

In the RGB color model it is made of 25.9% red, 25.9% green and 24.7% blue (66, 66, 63).

Its hue angle is 60°, with 2% saturation and 25% lightness. For print, the CMYK equivalent is 0% cyan, 0% magenta, 5% yellow and 74% black.

The closest named color is Vulcanised (#424443), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.08:1).

#42423F color codes

HEX	`#42423F`
RGB	`rgb(66, 66, 63)`
RGB percent	`rgb(25.9%, 25.9%, 24.7%)`
HSL	`hsl(60, 2%, 25%)`
HSV / HSB	`hsv(60, 5%, 26%)`
CMYK	`cmyk(0%, 0%, 5%, 74%)`
CIE LAB	`lab(27.88, -0.66, 1.82)`
CIE LCH	`lch(27.88, 1.94, 109.79)`
CIE XYZ	`xyz(5.092, 5.414, 5.478)`
Decimal	`4342335`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #42423F, 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 #42423F	Ratio	AA	AAA	AA large
Sample text	2.08:1	Fail	Fail	Fail
Sample text	10.08:1	Pass	Pass	Pass

#42423F as text on	Ratio	AA	AAA	AA large
Sample text	10.08:1	Pass	Pass	Pass
Sample text	2.08:1	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 #42423F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #42423f; }
.text { color: #42423f; }
.border { border: 2px solid #42423f; }
.transparent { background-color: rgb(66 66 63 / 50%); }
.gradient { background: linear-gradient(to right, #42423f, #41423f); }

Background

Text color

Border

Similar colors

Closest common color name: Graphite.

Questions

What color is #42423F?: #42423F is a dark gray, closest to the named color Vulcanised. It belongs to the gray family of colors.
What is the RGB value of #42423F?: The RGB value is 66, 66, 63: 66 red, 66 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #42423F?: The complementary color is #3F3F42, found by rotating the hue 180° on the color wheel.
Is black or white text better on #42423F?: White text. Black text has a contrast ratio of 2.08:1 and white text 10.08:1. WCAG asks for at least 4.5:1 for normal text.