What color is #E3000E?

#E3000E is a vivid red known as Heat Signature. It belongs to the red family of colors.

What is the RGB value of Heat Signature?

The RGB value is 227, 0, 14: 227 red, 0 green and 14 blue on a 0 to 255 scale.

What is the complementary color of Heat Signature?

The complementary color is #00E3D5, found by rotating the hue 180° on the color wheel.

Is black or white text better on #E3000E?

White text. Black text has a contrast ratio of 4.27:1 and white text 4.92:1. WCAG asks for at least 4.5:1 for normal text.

Heat Signature color: hex code #E3000E

#E3000E rgb(227, 0, 14)

Shades of red

Heat Signature has the hex code #E3000E. It is a vivid red.

In the RGB color model it is made of 89% red, 0% green and 5.5% blue (227, 0, 14).

Its hue angle is 356°, with 100% saturation and 45% lightness. For print, the CMYK equivalent is 0% cyan, 100% magenta, 94% yellow and 11% black.

White text is the more readable choice on this background (contrast 4.92:1).

Heat Signature (#E3000E) color codes

HEX	`#E3000E`
RGB	`rgb(227, 0, 14)`
RGB percent	`rgb(89%, 0%, 5.5%)`
HSL	`hsl(356, 100%, 45%)`
HSV / HSB	`hsv(356, 100%, 89%)`
CMYK	`cmyk(0%, 100%, 94%, 11%)`
CIE LAB	`lab(47.45, 73.46, 57.51)`
CIE LCH	`lch(47.45, 93.29, 38.05)`
CIE XYZ	`xyz(31.762, 16.368, 1.902)`
Decimal	`14876686`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Heat Signature, 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 #E3000E	Ratio	AA	AAA	AA large
Sample text	4.27:1	Fail	Fail	Pass
Sample text	4.92:1	Pass	Fail	Pass

#E3000E as text on	Ratio	AA	AAA	AA large
Sample text	4.92:1	Pass	Fail	Pass
Sample text	4.27:1	Fail	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 #E3000E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #e3000e; }
.text { color: #e3000e; }
.border { border: 2px solid #e3000e; }
.transparent { background-color: rgb(227 0 14 / 50%); }
.gradient { background: linear-gradient(to right, #e3000e, #e36300); }

Background

Text color

Border

Similar colors

Closest common color name: Fire Engine Red.

See #E3000E on its hex code page

Questions

What color is #E3000E?: #E3000E is a vivid red known as Heat Signature. It belongs to the red family of colors.
What is the RGB value of Heat Signature?: The RGB value is 227, 0, 14: 227 red, 0 green and 14 blue on a 0 to 255 scale.
What is the complementary color of Heat Signature?: The complementary color is #00E3D5, found by rotating the hue 180° on the color wheel.
Is black or white text better on #E3000E?: White text. Black text has a contrast ratio of 4.27:1 and white text 4.92:1. WCAG asks for at least 4.5:1 for normal text.