What color is #63000B?

#63000B is a very dark, vivid red, closest to the named color Rosewood. It belongs to the red family of colors.

What is the RGB value of #63000B?

The RGB value is 99, 0, 11: 99 red, 0 green and 11 blue on a 0 to 255 scale.

What is the complementary color of #63000B?

The complementary color is #006358, found by rotating the hue 180° on the color wheel.

Is black or white text better on #63000B?

White text. Black text has a contrast ratio of 1.54:1 and white text 13.68:1. WCAG asks for at least 4.5:1 for normal text.

#63000B color

#63000B rgb(99, 0, 11)

Shades of red

The hex color #63000B is a very dark, vivid red.

In the RGB color model it is made of 38.8% red, 0% green and 4.3% blue (99, 0, 11).

Its hue angle is 353°, with 100% saturation and 19% lightness. For print, the CMYK equivalent is 0% cyan, 100% magenta, 89% yellow and 61% black.

The closest named color is Rosewood (#65000B), a difference of 0.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 13.68:1).

#63000B color codes

HEX	`#63000B`
RGB	`rgb(99, 0, 11)`
RGB percent	`rgb(38.8%, 0%, 4.3%)`
HSL	`hsl(353, 100%, 19%)`
HSV / HSB	`hsv(353, 100%, 39%)`
CMYK	`cmyk(0%, 100%, 89%, 61%)`
CIE LAB	`lab(18.7, 40.31, 24.25)`
CIE LCH	`lch(18.7, 47.04, 31.03)`
CIE XYZ	`xyz(5.207, 2.678, 0.559)`
Decimal	`6488075`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #63000B, 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 #63000B	Ratio	AA	AAA	AA large
Sample text	1.54:1	Fail	Fail	Fail
Sample text	13.68:1	Pass	Pass	Pass

#63000B as text on	Ratio	AA	AAA	AA large
Sample text	13.68:1	Pass	Pass	Pass
Sample text	1.54:1	Fail	Fail	Fail

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 #63000B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #63000b; }
.text { color: #63000b; }
.border { border: 2px solid #63000b; }
.transparent { background-color: rgb(99 0 11 / 50%); }
.gradient { background: linear-gradient(to right, #63000b, #632600); }

Background

Text color

Border

Similar colors

Closest common color name: Oxblood.

Questions

What color is #63000B?: #63000B is a very dark, vivid red, closest to the named color Rosewood. It belongs to the red family of colors.
What is the RGB value of #63000B?: The RGB value is 99, 0, 11: 99 red, 0 green and 11 blue on a 0 to 255 scale.
What is the complementary color of #63000B?: The complementary color is #006358, found by rotating the hue 180° on the color wheel.
Is black or white text better on #63000B?: White text. Black text has a contrast ratio of 1.54:1 and white text 13.68:1. WCAG asks for at least 4.5:1 for normal text.