What color is #42557A?

#42557A is a dark, desaturated azure, closest to the named color Sailor. It belongs to the blue family of colors.

What is the RGB value of #42557A?

The RGB value is 66, 85, 122: 66 red, 85 green and 122 blue on a 0 to 255 scale.

What is the complementary color of #42557A?

The complementary color is #7A6742, found by rotating the hue 180° on the color wheel.

Is black or white text better on #42557A?

White text. Black text has a contrast ratio of 2.81:1 and white text 7.47:1. WCAG asks for at least 4.5:1 for normal text.

#42557A color

#42557A rgb(66, 85, 122)

Shades of blue

The hex color #42557A is a dark, desaturated azure.

In the RGB color model it is made of 25.9% red, 33.3% green and 47.8% blue (66, 85, 122).

Its hue angle is 220°, with 30% saturation and 37% lightness. For print, the CMYK equivalent is 46% cyan, 30% magenta, 0% yellow and 52% black.

The closest named color is Sailor (#445780), a difference of 1.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.47:1).

#42557A color codes

HEX	`#42557A`
RGB	`rgb(66, 85, 122)`
RGB percent	`rgb(25.9%, 33.3%, 47.8%)`
HSL	`hsl(220, 30%, 37%)`
HSV / HSB	`hsv(220, 46%, 48%)`
CMYK	`cmyk(46%, 30%, 0%, 52%)`
CIE LAB	`lab(36.1, 3.39, -23.26)`
CIE LCH	`lch(36.1, 23.5, 278.29)`
CIE XYZ	`xyz(9.007, 9.06, 19.683)`
Decimal	`4347258`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #42557A, 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 #42557A	Ratio	AA	AAA	AA large
Sample text	2.81:1	Fail	Fail	Fail
Sample text	7.47:1	Pass	Pass	Pass

#42557A as text on	Ratio	AA	AAA	AA large
Sample text	7.47:1	Pass	Pass	Pass
Sample text	2.81:1	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 #42557A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #42557a; }
.text { color: #42557a; }
.border { border: 2px solid #42557a; }
.transparent { background-color: rgb(66 85 122 / 50%); }
.gradient { background: linear-gradient(to right, #42557a, #4b427a); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #42557A?: #42557A is a dark, desaturated azure, closest to the named color Sailor. It belongs to the blue family of colors.
What is the RGB value of #42557A?: The RGB value is 66, 85, 122: 66 red, 85 green and 122 blue on a 0 to 255 scale.
What is the complementary color of #42557A?: The complementary color is #7A6742, found by rotating the hue 180° on the color wheel.
Is black or white text better on #42557A?: White text. Black text has a contrast ratio of 2.81:1 and white text 7.47:1. WCAG asks for at least 4.5:1 for normal text.