What color is #EC0003?

#EC0003 is a vivid red known as Alarm. It belongs to the red family of colors.

What is the RGB value of Alarm?

The RGB value is 236, 0, 3: 236 red, 0 green and 3 blue on a 0 to 255 scale.

What is the complementary color of Alarm?

The complementary color is #00ECE9, found by rotating the hue 180° on the color wheel.

Is black or white text better on #EC0003?

White text. Black text has a contrast ratio of 4.57:1 and white text 4.6:1. WCAG asks for at least 4.5:1 for normal text.

Alarm color: hex code #EC0003

#EC0003 rgb(236, 0, 3)

Shades of red

Alarm has the hex code #EC0003. It is a vivid red.

In the RGB color model it is made of 92.5% red, 0% green and 1.2% blue (236, 0, 3).

Its hue angle is 359°, with 100% saturation and 46% lightness. For print, the CMYK equivalent is 0% cyan, 100% magenta, 99% yellow and 7% black.

White text is the more readable choice on this background (contrast 4.6:1).

Alarm (#EC0003) color codes

HEX	`#EC0003`
RGB	`rgb(236, 0, 3)`
RGB percent	`rgb(92.5%, 0%, 1.2%)`
HSL	`hsl(359, 100%, 46%)`
HSV / HSB	`hsv(359, 100%, 93%)`
CMYK	`cmyk(0%, 100%, 99%, 7%)`
CIE LAB	`lab(49.31, 75.56, 62.53)`
CIE LCH	`lch(49.31, 98.08, 39.61)`
CIE XYZ	`xyz(34.613, 17.846, 1.708)`
Decimal	`15466499`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Alarm, 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 #EC0003	Ratio	AA	AAA	AA large
Sample text	4.57:1	Pass	Fail	Pass
Sample text	4.6:1	Pass	Fail	Pass

#EC0003 as text on	Ratio	AA	AAA	AA large
Sample text	4.6:1	Pass	Fail	Pass
Sample text	4.57:1	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 #EC0003 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #ec0003; }
.text { color: #ec0003; }
.border { border: 2px solid #ec0003; }
.transparent { background-color: rgb(236 0 3 / 50%); }
.gradient { background: linear-gradient(to right, #ec0003, #ec7300); }

Background

Text color

Border

Similar colors

Closest common color name: Red.

See #EC0003 on its hex code page

Questions

What color is #EC0003?: #EC0003 is a vivid red known as Alarm. It belongs to the red family of colors.
What is the RGB value of Alarm?: The RGB value is 236, 0, 3: 236 red, 0 green and 3 blue on a 0 to 255 scale.
What is the complementary color of Alarm?: The complementary color is #00ECE9, found by rotating the hue 180° on the color wheel.
Is black or white text better on #EC0003?: White text. Black text has a contrast ratio of 4.57:1 and white text 4.6:1. WCAG asks for at least 4.5:1 for normal text.