What color is #631B38?

#631B38 is a dark, moderate rose, closest to the named color Soul Anchor. It belongs to the red family of colors.

What is the RGB value of #631B38?

The RGB value is 99, 27, 56: 99 red, 27 green and 56 blue on a 0 to 255 scale.

What is the complementary color of #631B38?

The complementary color is #1B6346, found by rotating the hue 180° on the color wheel.

Is black or white text better on #631B38?

White text. Black text has a contrast ratio of 1.74:1 and white text 12.04:1. WCAG asks for at least 4.5:1 for normal text.

#631B38 color

#631B38 rgb(99, 27, 56)

Shades of red

The hex color #631B38 is a dark, moderate rose.

In the RGB color model it is made of 38.8% red, 10.6% green and 22% blue (99, 27, 56).

Its hue angle is 336°, with 57% saturation and 25% lightness. For print, the CMYK equivalent is 0% cyan, 73% magenta, 43% yellow and 61% black.

The closest named color is Soul Anchor (#5C1C39), a difference of 2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.04:1).

#631B38 color codes

HEX	`#631B38`
RGB	`rgb(99, 27, 56)`
RGB percent	`rgb(38.8%, 10.6%, 22%)`
HSL	`hsl(336, 57%, 25%)`
HSV / HSB	`hsv(336, 73%, 39%)`
CMYK	`cmyk(0%, 73%, 43%, 61%)`
CIE LAB	`lab(22.73, 34.88, -0.42)`
CIE LCH	`lch(22.73, 34.88, 359.31)`
CIE XYZ	`xyz(6.252, 3.723, 4.13)`
Decimal	`6495032`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #631B38, 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 #631B38	Ratio	AA	AAA	AA large
Sample text	1.74:1	Fail	Fail	Fail
Sample text	12.04:1	Pass	Pass	Pass

#631B38 as text on	Ratio	AA	AAA	AA large
Sample text	12.04:1	Pass	Pass	Pass
Sample text	1.74:1	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 #631B38 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #631b38; }
.text { color: #631b38; }
.border { border: 2px solid #631b38; }
.transparent { background-color: rgb(99 27 56 / 50%); }
.gradient { background: linear-gradient(to right, #631b38, #63221b); }

Background

Text color

Border

Similar colors

Questions

What color is #631B38?: #631B38 is a dark, moderate rose, closest to the named color Soul Anchor. It belongs to the red family of colors.
What is the RGB value of #631B38?: The RGB value is 99, 27, 56: 99 red, 27 green and 56 blue on a 0 to 255 scale.
What is the complementary color of #631B38?: The complementary color is #1B6346, found by rotating the hue 180° on the color wheel.
Is black or white text better on #631B38?: White text. Black text has a contrast ratio of 1.74:1 and white text 12.04:1. WCAG asks for at least 4.5:1 for normal text.