What color is #63A1B8?

#63A1B8 is a desaturated azure, closest to the named color Surgical. It belongs to the blue family of colors.

What is the RGB value of #63A1B8?

The RGB value is 99, 161, 184: 99 red, 161 green and 184 blue on a 0 to 255 scale.

What is the complementary color of #63A1B8?

The complementary color is #B87A63, found by rotating the hue 180° on the color wheel.

Is black or white text better on #63A1B8?

Black text. Black text has a contrast ratio of 7.32:1 and white text 2.87:1. WCAG asks for at least 4.5:1 for normal text.

#63A1B8 color

#63A1B8 rgb(99, 161, 184)

Shades of blue

The hex color #63A1B8 is a desaturated azure.

In the RGB color model it is made of 38.8% red, 63.1% green and 72.2% blue (99, 161, 184).

Its hue angle is 196°, with 37% saturation and 55% lightness. For print, the CMYK equivalent is 46% cyan, 13% magenta, 0% yellow and 28% black.

The closest named color is Surgical (#59A4C1), a difference of 2.1 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 7.32:1).

#63A1B8 color codes

HEX	`#63A1B8`
RGB	`rgb(99, 161, 184)`
RGB percent	`rgb(38.8%, 63.1%, 72.2%)`
HSL	`hsl(196, 37%, 55%)`
HSV / HSB	`hsv(196, 46%, 72%)`
CMYK	`cmyk(46%, 13%, 0%, 28%)`
CIE LAB	`lab(63.01, -13.77, -18.11)`
CIE LCH	`lch(63.01, 22.75, 232.77)`
CIE XYZ	`xyz(26.539, 31.601, 50.039)`
Decimal	`6529464`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #63A1B8, 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 #63A1B8	Ratio	AA	AAA	AA large
Sample text	7.32:1	Pass	Pass	Pass
Sample text	2.87:1	Fail	Fail	Fail

#63A1B8 as text on	Ratio	AA	AAA	AA large
Sample text	2.87:1	Fail	Fail	Fail
Sample text	7.32:1	Pass	Pass	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 #63A1B8 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #63a1b8; }
.text { color: #63a1b8; }
.border { border: 2px solid #63a1b8; }
.transparent { background-color: rgb(99 161 184 / 50%); }
.gradient { background: linear-gradient(to right, #63a1b8, #6376b8); }

Background

Text color

Border

Similar colors

Closest common color name: Air Force Blue.

Questions

What color is #63A1B8?: #63A1B8 is a desaturated azure, closest to the named color Surgical. It belongs to the blue family of colors.
What is the RGB value of #63A1B8?: The RGB value is 99, 161, 184: 99 red, 161 green and 184 blue on a 0 to 255 scale.
What is the complementary color of #63A1B8?: The complementary color is #B87A63, found by rotating the hue 180° on the color wheel.
Is black or white text better on #63A1B8?: Black text. Black text has a contrast ratio of 7.32:1 and white text 2.87:1. WCAG asks for at least 4.5:1 for normal text.