What color is #555B7A?

#555B7A is a grayish blue, closest to the named color Deep Indigo. It belongs to the blue family of colors.

What is the RGB value of #555B7A?

The RGB value is 85, 91, 122: 85 red, 91 green and 122 blue on a 0 to 255 scale.

What is the complementary color of #555B7A?

The complementary color is #7A7455, found by rotating the hue 180° on the color wheel.

Is black or white text better on #555B7A?

White text. Black text has a contrast ratio of 3.16:1 and white text 6.64:1. WCAG asks for at least 4.5:1 for normal text.

#555B7A color

#555B7A rgb(85, 91, 122)

Shades of blue

The hex color #555B7A is a grayish blue.

In the RGB color model it is made of 33.3% red, 35.7% green and 47.8% blue (85, 91, 122).

Its hue angle is 230°, with 18% saturation and 41% lightness. For print, the CMYK equivalent is 30% cyan, 25% magenta, 0% yellow and 52% black.

The closest named color is Deep Indigo (#4C567A), a difference of 2.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.64:1).

#555B7A color codes

HEX	`#555B7A`
RGB	`rgb(85, 91, 122)`
RGB percent	`rgb(33.3%, 35.7%, 47.8%)`
HSL	`hsl(230, 18%, 41%)`
HSV / HSB	`hsv(230, 30%, 48%)`
CMYK	`cmyk(30%, 25%, 0%, 52%)`
CIE LAB	`lab(39.27, 5.41, -18.23)`
CIE LCH	`lch(39.27, 19.02, 286.53)`
CIE XYZ	`xyz(10.999, 10.818, 19.917)`
Decimal	`5593978`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #555B7A, 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 #555B7A	Ratio	AA	AAA	AA large
Sample text	3.16:1	Fail	Fail	Pass
Sample text	6.64:1	Pass	Fail	Pass

#555B7A as text on	Ratio	AA	AAA	AA large
Sample text	6.64:1	Pass	Fail	Pass
Sample text	3.16:1	Fail	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 #555B7A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #555b7a; }
.text { color: #555b7a; }
.border { border: 2px solid #555b7a; }
.transparent { background-color: rgb(85 91 122 / 50%); }
.gradient { background: linear-gradient(to right, #555b7a, #61557a); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #555B7A?: #555B7A is a grayish blue, closest to the named color Deep Indigo. It belongs to the blue family of colors.
What is the RGB value of #555B7A?: The RGB value is 85, 91, 122: 85 red, 91 green and 122 blue on a 0 to 255 scale.
What is the complementary color of #555B7A?: The complementary color is #7A7455, found by rotating the hue 180° on the color wheel.
Is black or white text better on #555B7A?: White text. Black text has a contrast ratio of 3.16:1 and white text 6.64:1. WCAG asks for at least 4.5:1 for normal text.