What color is #63617B?

#63617B is a grayish blue, closest to the named color Heron. It belongs to the blue family of colors.

What is the RGB value of #63617B?

The RGB value is 99, 97, 123: 99 red, 97 green and 123 blue on a 0 to 255 scale.

What is the complementary color of #63617B?

The complementary color is #797B61, found by rotating the hue 180° on the color wheel.

Is black or white text better on #63617B?

White text. Black text has a contrast ratio of 3.53:1 and white text 5.96:1. WCAG asks for at least 4.5:1 for normal text.

#63617B color

#63617B rgb(99, 97, 123)

Shades of blue

The hex color #63617B is a grayish blue.

In the RGB color model it is made of 38.8% red, 38% green and 48.2% blue (99, 97, 123).

Its hue angle is 245°, with 12% saturation and 43% lightness. For print, the CMYK equivalent is 20% cyan, 21% magenta, 0% yellow and 52% black.

The closest named color is Heron (#6A6887), a difference of 3.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.96:1).

#63617B color codes

HEX	`#63617B`
RGB	`rgb(99, 97, 123)`
RGB percent	`rgb(38.8%, 38%, 48.2%)`
HSL	`hsl(245, 12%, 43%)`
HSV / HSB	`hsv(245, 21%, 48%)`
CMYK	`cmyk(20%, 21%, 0%, 52%)`
CIE LAB	`lab(42.2, 6.7, -14.26)`
CIE LCH	`lch(42.2, 15.75, 295.18)`
CIE XYZ	`xyz(12.995, 12.632, 20.489)`
Decimal	`6513019`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #63617B, 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 #63617B	Ratio	AA	AAA	AA large
Sample text	3.53:1	Fail	Fail	Pass
Sample text	5.96:1	Pass	Fail	Pass

#63617B as text on	Ratio	AA	AAA	AA large
Sample text	5.96:1	Pass	Fail	Pass
Sample text	3.53:1	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 #63617B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #63617b; }
.text { color: #63617b; }
.border { border: 2px solid #63617b; }
.transparent { background-color: rgb(99 97 123 / 50%); }
.gradient { background: linear-gradient(to right, #63617b, #70617b); }

Background

Text color

Border

Similar colors

Closest common color name: Space Gray.

Questions

What color is #63617B?: #63617B is a grayish blue, closest to the named color Heron. It belongs to the blue family of colors.
What is the RGB value of #63617B?: The RGB value is 99, 97, 123: 99 red, 97 green and 123 blue on a 0 to 255 scale.
What is the complementary color of #63617B?: The complementary color is #797B61, found by rotating the hue 180° on the color wheel.
Is black or white text better on #63617B?: White text. Black text has a contrast ratio of 3.53:1 and white text 5.96:1. WCAG asks for at least 4.5:1 for normal text.