What color is #818BA4?

#818BA4 is a grayish blue, closest to the named color Tempest. It belongs to the blue family of colors.

What is the RGB value of #818BA4?

The RGB value is 129, 139, 164: 129 red, 139 green and 164 blue on a 0 to 255 scale.

What is the complementary color of #818BA4?

The complementary color is #A49A81, found by rotating the hue 180° on the color wheel.

Is black or white text better on #818BA4?

Black text. Black text has a contrast ratio of 6.16:1 and white text 3.41:1. WCAG asks for at least 4.5:1 for normal text.

#818BA4 color

#818BA4 rgb(129, 139, 164)

Shades of blue

The hex color #818BA4 is a grayish blue.

In the RGB color model it is made of 50.6% red, 54.5% green and 64.3% blue (129, 139, 164).

Its hue angle is 223°, with 16% saturation and 57% lightness. For print, the CMYK equivalent is 21% cyan, 15% magenta, 0% yellow and 36% black.

The closest named color is Tempest (#79839B), a difference of 2.9 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 6.16:1).

#818BA4 color codes

HEX	`#818BA4`
RGB	`rgb(129, 139, 164)`
RGB percent	`rgb(50.6%, 54.5%, 64.3%)`
HSL	`hsl(223, 16%, 57%)`
HSV / HSB	`hsv(223, 21%, 64%)`
CMYK	`cmyk(21%, 15%, 0%, 36%)`
CIE LAB	`lab(57.86, 1.94, -14.43)`
CIE LCH	`lch(57.86, 14.56, 277.66)`
CIE XYZ	`xyz(24.985, 25.812, 38.781)`
Decimal	`8489892`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #818BA4, 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 #818BA4	Ratio	AA	AAA	AA large
Sample text	6.16:1	Pass	Fail	Pass
Sample text	3.41:1	Fail	Fail	Pass

#818BA4 as text on	Ratio	AA	AAA	AA large
Sample text	3.41:1	Fail	Fail	Pass
Sample text	6.16:1	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 #818BA4 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #818ba4; }
.text { color: #818ba4; }
.border { border: 2px solid #818ba4; }
.transparent { background-color: rgb(129 139 164 / 50%); }
.gradient { background: linear-gradient(to right, #818ba4, #8981a4); }

Background

Text color

Border

Similar colors

Questions

What color is #818BA4?: #818BA4 is a grayish blue, closest to the named color Tempest. It belongs to the blue family of colors.
What is the RGB value of #818BA4?: The RGB value is 129, 139, 164: 129 red, 139 green and 164 blue on a 0 to 255 scale.
What is the complementary color of #818BA4?: The complementary color is #A49A81, found by rotating the hue 180° on the color wheel.
Is black or white text better on #818BA4?: Black text. Black text has a contrast ratio of 6.16:1 and white text 3.41:1. WCAG asks for at least 4.5:1 for normal text.