What color is #FF3100?

#FF3100 is a vivid red, closest to the named color Boiling Magma. It belongs to the red family of colors.

What is the RGB value of #FF3100?

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

What is the complementary color of #FF3100?

The complementary color is #00CEFF, found by rotating the hue 180° on the color wheel.

Is black or white text better on #FF3100?

Black text. Black text has a contrast ratio of 5.69:1 and white text 3.69:1. WCAG asks for at least 4.5:1 for normal text.

#FF3100 color

#FF3100 rgb(255, 49, 0)

Shades of red

The hex color #FF3100 is a vivid red.

In the RGB color model it is made of 100% red, 19.2% green and 0% blue (255, 49, 0).

Its hue angle is 12°, with 100% saturation and 50% lightness. For print, the CMYK equivalent is 0% cyan, 81% magenta, 100% yellow and 0% black.

The closest named color is Boiling Magma (#FF3300), a difference of 0.3 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 5.69:1).

#FF3100 color codes

HEX	`#FF3100`
RGB	`rgb(255, 49, 0)`
RGB percent	`rgb(100%, 19.2%, 0%)`
HSL	`hsl(12, 100%, 50%)`
HSV / HSB	`hsv(12, 100%, 100%)`
CMYK	`cmyk(0%, 81%, 100%, 0%)`
CIE LAB	`lab(55.55, 73.48, 68.07)`
CIE LCH	`lch(55.55, 100.17, 42.81)`
CIE XYZ	`xyz(42.344, 23.464, 2.299)`
Decimal	`16724224`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #FF3100, 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 #FF3100	Ratio	AA	AAA	AA large
Sample text	5.69:1	Pass	Fail	Pass
Sample text	3.69:1	Fail	Fail	Pass

#FF3100 as text on	Ratio	AA	AAA	AA large
Sample text	3.69:1	Fail	Fail	Pass
Sample text	5.69:1	Pass	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 #FF3100 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #ff3100; }
.text { color: #ff3100; }
.border { border: 2px solid #ff3100; }
.transparent { background-color: rgb(255 49 0 / 50%); }
.gradient { background: linear-gradient(to right, #ff3100, #ffb000); }

Background

Text color

Border

Similar colors

Questions

What color is #FF3100?: #FF3100 is a vivid red, closest to the named color Boiling Magma. It belongs to the red family of colors.
What is the RGB value of #FF3100?: The RGB value is 255, 49, 0: 255 red, 49 green and 0 blue on a 0 to 255 scale.
What is the complementary color of #FF3100?: The complementary color is #00CEFF, found by rotating the hue 180° on the color wheel.
Is black or white text better on #FF3100?: Black text. Black text has a contrast ratio of 5.69:1 and white text 3.69:1. WCAG asks for at least 4.5:1 for normal text.