What color is #42475B?

#42475B is a dark, grayish blue, closest to the named color Lava Stone. It belongs to the gray family of colors.

What is the RGB value of #42475B?

The RGB value is 66, 71, 91: 66 red, 71 green and 91 blue on a 0 to 255 scale.

What is the complementary color of #42475B?

The complementary color is #5B5642, found by rotating the hue 180° on the color wheel.

Is black or white text better on #42475B?

White text. Black text has a contrast ratio of 2.28:1 and white text 9.19:1. WCAG asks for at least 4.5:1 for normal text.

#42475B color

#42475B rgb(66, 71, 91)

Shades of gray

The hex color #42475B is a dark, grayish blue.

In the RGB color model it is made of 25.9% red, 27.8% green and 35.7% blue (66, 71, 91).

Its hue angle is 228°, with 16% saturation and 31% lightness. For print, the CMYK equivalent is 27% cyan, 22% magenta, 0% yellow and 64% black.

The closest named color is Lava Stone (#3C4151), a difference of 2.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 9.19:1).

#42475B color codes

HEX	`#42475B`
RGB	`rgb(66, 71, 91)`
RGB percent	`rgb(25.9%, 27.8%, 35.7%)`
HSL	`hsl(228, 16%, 31%)`
HSV / HSB	`hsv(228, 27%, 36%)`
CMYK	`cmyk(27%, 22%, 0%, 64%)`
CIE LAB	`lab(30.45, 3.08, -12.49)`
CIE LCH	`lch(30.45, 12.87, 283.85)`
CIE XYZ	`xyz(6.388, 6.42, 10.798)`
Decimal	`4343643`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #42475B, 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 #42475B	Ratio	AA	AAA	AA large
Sample text	2.28:1	Fail	Fail	Fail
Sample text	9.19:1	Pass	Pass	Pass

#42475B as text on	Ratio	AA	AAA	AA large
Sample text	9.19:1	Pass	Pass	Pass
Sample text	2.28:1	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 #42475B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #42475b; }
.text { color: #42475b; }
.border { border: 2px solid #42475b; }
.transparent { background-color: rgb(66 71 91 / 50%); }
.gradient { background: linear-gradient(to right, #42475b, #4a425b); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #42475B?: #42475B is a dark, grayish blue, closest to the named color Lava Stone. It belongs to the gray family of colors.
What is the RGB value of #42475B?: The RGB value is 66, 71, 91: 66 red, 71 green and 91 blue on a 0 to 255 scale.
What is the complementary color of #42475B?: The complementary color is #5B5642, found by rotating the hue 180° on the color wheel.
Is black or white text better on #42475B?: White text. Black text has a contrast ratio of 2.28:1 and white text 9.19:1. WCAG asks for at least 4.5:1 for normal text.