What color is #577C8D?

#577C8D is a grayish azure, closest to the named color Night Owl. It belongs to the blue family of colors.

What is the RGB value of #577C8D?

The RGB value is 87, 124, 141: 87 red, 124 green and 141 blue on a 0 to 255 scale.

What is the complementary color of #577C8D?

The complementary color is #8D6857, found by rotating the hue 180° on the color wheel.

Is black or white text better on #577C8D?

Black text. Black text has a contrast ratio of 4.67:1 and white text 4.49:1. WCAG asks for at least 4.5:1 for normal text.

#577C8D color

#577C8D rgb(87, 124, 141)

Shades of blue

The hex color #577C8D is a grayish azure.

In the RGB color model it is made of 34.1% red, 48.6% green and 55.3% blue (87, 124, 141).

Its hue angle is 199°, with 24% saturation and 45% lightness. For print, the CMYK equivalent is 38% cyan, 12% magenta, 0% yellow and 45% black.

The closest named color is Night Owl (#5D7B89), a difference of 1.7 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 4.67:1).

#577C8D color codes

HEX	`#577C8D`
RGB	`rgb(87, 124, 141)`
RGB percent	`rgb(34.1%, 48.6%, 55.3%)`
HSL	`hsl(199, 24%, 45%)`
HSV / HSB	`hsv(199, 38%, 55%)`
CMYK	`cmyk(38%, 12%, 0%, 45%)`
CIE LAB	`lab(49.93, -8.44, -13.35)`
CIE LCH	`lch(49.93, 15.8, 237.69)`
CIE XYZ	`xyz(15.944, 18.364, 27.899)`
Decimal	`5733517`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #577C8D, 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 #577C8D	Ratio	AA	AAA	AA large
Sample text	4.67:1	Pass	Fail	Pass
Sample text	4.49:1	Fail	Fail	Pass

#577C8D as text on	Ratio	AA	AAA	AA large
Sample text	4.49:1	Fail	Fail	Pass
Sample text	4.67:1	Pass	Fail	Pass

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 #577C8D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #577c8d; }
.text { color: #577c8d; }
.border { border: 2px solid #577c8d; }
.transparent { background-color: rgb(87 124 141 / 50%); }
.gradient { background: linear-gradient(to right, #577c8d, #57618d); }

Background

Text color

Border

Similar colors

Closest common color name: Air Force Blue.

Questions

What color is #577C8D?: #577C8D is a grayish azure, closest to the named color Night Owl. It belongs to the blue family of colors.
What is the RGB value of #577C8D?: The RGB value is 87, 124, 141: 87 red, 124 green and 141 blue on a 0 to 255 scale.
What is the complementary color of #577C8D?: The complementary color is #8D6857, found by rotating the hue 180° on the color wheel.
Is black or white text better on #577C8D?: Black text. Black text has a contrast ratio of 4.67:1 and white text 4.49:1. WCAG asks for at least 4.5:1 for normal text.