What color is #42587C?

#42587C 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 #42587C?

The RGB value is 66, 88, 124: 66 red, 88 green and 124 blue on a 0 to 255 scale.

What is the complementary color of #42587C?

The complementary color is #7C6642, found by rotating the hue 180° on the color wheel.

Is black or white text better on #42587C?

White text. Black text has a contrast ratio of 2.92:1 and white text 7.2:1. WCAG asks for at least 4.5:1 for normal text.

#42587C color

#42587C rgb(66, 88, 124)

Shades of blue

The hex color #42587C is a dark, desaturated azure.

In the RGB color model it is made of 25.9% red, 34.5% green and 48.6% blue (66, 88, 124).

Its hue angle is 217°, with 31% saturation and 37% lightness. For print, the CMYK equivalent is 47% cyan, 29% magenta, 0% yellow and 51% black.

The closest named color is Sailor (#445780), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.2:1).

#42587C color codes

HEX	`#42587C`
RGB	`rgb(66, 88, 124)`
RGB percent	`rgb(25.9%, 34.5%, 48.6%)`
HSL	`hsl(217, 31%, 37%)`
HSV / HSB	`hsv(217, 47%, 49%)`
CMYK	`cmyk(47%, 29%, 0%, 51%)`
CIE LAB	`lab(37.1, 2.12, -22.93)`
CIE LCH	`lch(37.1, 23.03, 275.29)`
CIE XYZ	`xyz(9.373, 9.592, 20.422)`
Decimal	`4348028`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #42587C, 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 #42587C	Ratio	AA	AAA	AA large
Sample text	2.92:1	Fail	Fail	Fail
Sample text	7.2:1	Pass	Pass	Pass

#42587C as text on	Ratio	AA	AAA	AA large
Sample text	7.2:1	Pass	Pass	Pass
Sample text	2.92:1	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 #42587C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #42587c; }
.text { color: #42587c; }
.border { border: 2px solid #42587c; }
.transparent { background-color: rgb(66 88 124 / 50%); }
.gradient { background: linear-gradient(to right, #42587c, #49427c); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #42587C?: #42587C 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 #42587C?: The RGB value is 66, 88, 124: 66 red, 88 green and 124 blue on a 0 to 255 scale.
What is the complementary color of #42587C?: The complementary color is #7C6642, found by rotating the hue 180° on the color wheel.
Is black or white text better on #42587C?: White text. Black text has a contrast ratio of 2.92:1 and white text 7.2:1. WCAG asks for at least 4.5:1 for normal text.