What color is #5B818A?

#5B818A is a grayish cyan, closest to the named color Arctic. It belongs to the teal family of colors.

What is the RGB value of #5B818A?

The RGB value is 91, 129, 138: 91 red, 129 green and 138 blue on a 0 to 255 scale.

What is the complementary color of #5B818A?

The complementary color is #8A645B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #5B818A?

Black text. Black text has a contrast ratio of 4.95:1 and white text 4.24:1. WCAG asks for at least 4.5:1 for normal text.

#5B818A color

#5B818A rgb(91, 129, 138)

Shades of teal

The hex color #5B818A is a grayish cyan.

In the RGB color model it is made of 35.7% red, 50.6% green and 54.1% blue (91, 129, 138).

Its hue angle is 191°, with 21% saturation and 45% lightness. For print, the CMYK equivalent is 34% cyan, 7% magenta, 0% yellow and 46% black.

The closest named color is Arctic (#648589), a difference of 2.8 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 4.95:1).

#5B818A color codes

HEX	`#5B818A`
RGB	`rgb(91, 129, 138)`
RGB percent	`rgb(35.7%, 50.6%, 54.1%)`
HSL	`hsl(191, 21%, 45%)`
HSV / HSB	`hsv(191, 34%, 54%)`
CMYK	`cmyk(34%, 7%, 0%, 46%)`
CIE LAB	`lab(51.56, -10.89, -9.12)`
CIE LCH	`lch(51.56, 14.2, 219.93)`
CIE XYZ	`xyz(16.751, 19.759, 26.971)`
Decimal	`5996938`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #5B818A, 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 #5B818A	Ratio	AA	AAA	AA large
Sample text	4.95:1	Pass	Fail	Pass
Sample text	4.24:1	Fail	Fail	Pass

#5B818A as text on	Ratio	AA	AAA	AA large
Sample text	4.24:1	Fail	Fail	Pass
Sample text	4.95:1	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 #5B818A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #5b818a; }
.text { color: #5b818a; }
.border { border: 2px solid #5b818a; }
.transparent { background-color: rgb(91 129 138 / 50%); }
.gradient { background: linear-gradient(to right, #5b818a, #5b6a8a); }

Background

Text color

Border

Similar colors

Closest common color name: Juniper.

Questions

What color is #5B818A?: #5B818A is a grayish cyan, closest to the named color Arctic. It belongs to the teal family of colors.
What is the RGB value of #5B818A?: The RGB value is 91, 129, 138: 91 red, 129 green and 138 blue on a 0 to 255 scale.
What is the complementary color of #5B818A?: The complementary color is #8A645B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #5B818A?: Black text. Black text has a contrast ratio of 4.95:1 and white text 4.24:1. WCAG asks for at least 4.5:1 for normal text.