What color is #A11F37?

#A11F37 is a dark, moderate red, closest to the named color Rouge. It belongs to the red family of colors.

What is the RGB value of #A11F37?

The RGB value is 161, 31, 55: 161 red, 31 green and 55 blue on a 0 to 255 scale.

What is the complementary color of #A11F37?

The complementary color is #1FA189, found by rotating the hue 180° on the color wheel.

Is black or white text better on #A11F37?

White text. Black text has a contrast ratio of 2.77:1 and white text 7.59:1. WCAG asks for at least 4.5:1 for normal text.

#A11F37 color

#A11F37 rgb(161, 31, 55)

Shades of red

The hex color #A11F37 is a dark, moderate red.

In the RGB color model it is made of 63.1% red, 12.2% green and 21.6% blue (161, 31, 55).

Its hue angle is 349°, with 68% saturation and 38% lightness. For print, the CMYK equivalent is 0% cyan, 81% magenta, 66% yellow and 37% black.

The closest named color is Rouge (#AB1239), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.59:1).

#A11F37 color codes

HEX	`#A11F37`
RGB	`rgb(161, 31, 55)`
RGB percent	`rgb(63.1%, 12.2%, 21.6%)`
HSL	`hsl(349, 68%, 38%)`
HSV / HSB	`hsv(349, 81%, 63%)`
CMYK	`cmyk(0%, 81%, 66%, 37%)`
CIE LAB	`lab(35.67, 52.69, 20.02)`
CIE LCH	`lch(35.67, 56.36, 20.8)`
CIE XYZ	`xyz(15.879, 8.835, 4.483)`
Decimal	`10559287`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #A11F37, 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 #A11F37	Ratio	AA	AAA	AA large
Sample text	2.77:1	Fail	Fail	Fail
Sample text	7.59:1	Pass	Pass	Pass

#A11F37 as text on	Ratio	AA	AAA	AA large
Sample text	7.59:1	Pass	Pass	Pass
Sample text	2.77:1	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 #A11F37 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #a11f37; }
.text { color: #a11f37; }
.border { border: 2px solid #a11f37; }
.transparent { background-color: rgb(161 31 55 / 50%); }
.gradient { background: linear-gradient(to right, #a11f37, #a1481f); }

Background

Text color

Border

Similar colors

Closest common color name: Auburn.

Questions

What color is #A11F37?: #A11F37 is a dark, moderate red, closest to the named color Rouge. It belongs to the red family of colors.
What is the RGB value of #A11F37?: The RGB value is 161, 31, 55: 161 red, 31 green and 55 blue on a 0 to 255 scale.
What is the complementary color of #A11F37?: The complementary color is #1FA189, found by rotating the hue 180° on the color wheel.
Is black or white text better on #A11F37?: White text. Black text has a contrast ratio of 2.77:1 and white text 7.59:1. WCAG asks for at least 4.5:1 for normal text.