What color is #310F0F?

#310F0F is a very dark, moderate red, closest to the named color Nether. It belongs to the black family of colors.

What is the RGB value of #310F0F?

The RGB value is 49, 15, 15: 49 red, 15 green and 15 blue on a 0 to 255 scale.

What is the complementary color of #310F0F?

The complementary color is #0F3131, found by rotating the hue 180° on the color wheel.

Is black or white text better on #310F0F?

White text. Black text has a contrast ratio of 1.21:1 and white text 17.42:1. WCAG asks for at least 4.5:1 for normal text.

#310F0F color

#310F0F rgb(49, 15, 15)

Shades of black

The hex color #310F0F is a very dark, moderate red.

In the RGB color model it is made of 19.2% red, 5.9% green and 5.9% blue (49, 15, 15).

Its hue angle is 0°, with 53% saturation and 13% lightness. For print, the CMYK equivalent is 0% cyan, 69% magenta, 69% yellow and 81% black.

The closest named color is Nether (#2E0303), a difference of 3.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.42:1).

#310F0F color codes

HEX	`#310F0F`
RGB	`rgb(49, 15, 15)`
RGB percent	`rgb(19.2%, 5.9%, 5.9%)`
HSL	`hsl(0, 53%, 13%)`
HSV / HSB	`hsv(0, 69%, 19%)`
CMYK	`cmyk(0%, 69%, 69%, 81%)`
CIE LAB	`lab(9.23, 17.31, 7.76)`
CIE LCH	`lch(9.23, 18.97, 24.15)`
CIE XYZ	`xyz(1.524, 1.029, 0.57)`
Decimal	`3215119`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #310F0F, 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 #310F0F	Ratio	AA	AAA	AA large
Sample text	1.21:1	Fail	Fail	Fail
Sample text	17.42:1	Pass	Pass	Pass

#310F0F as text on	Ratio	AA	AAA	AA large
Sample text	17.42:1	Pass	Pass	Pass
Sample text	1.21:1	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 #310F0F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #310f0f; }
.text { color: #310f0f; }
.border { border: 2px solid #310f0f; }
.transparent { background-color: rgb(49 15 15 / 50%); }
.gradient { background: linear-gradient(to right, #310f0f, #31200f); }

Background

Text color

Border

Similar colors

Closest common color name: Oxblood.

Questions

What color is #310F0F?: #310F0F is a very dark, moderate red, closest to the named color Nether. It belongs to the black family of colors.
What is the RGB value of #310F0F?: The RGB value is 49, 15, 15: 49 red, 15 green and 15 blue on a 0 to 255 scale.
What is the complementary color of #310F0F?: The complementary color is #0F3131, found by rotating the hue 180° on the color wheel.
Is black or white text better on #310F0F?: White text. Black text has a contrast ratio of 1.21:1 and white text 17.42:1. WCAG asks for at least 4.5:1 for normal text.