What color is #CB0103?

#CB0103 is a vivid red known as Scarlet Glow. It belongs to the red family of colors.

What is the RGB value of Scarlet Glow?

The RGB value is 203, 1, 3: 203 red, 1 green and 3 blue on a 0 to 255 scale.

What is the complementary color of Scarlet Glow?

The complementary color is #01CBC9, found by rotating the hue 180° on the color wheel.

Is black or white text better on #CB0103?

White text. Black text has a contrast ratio of 3.54:1 and white text 5.92:1. WCAG asks for at least 4.5:1 for normal text.

Scarlet Glow color: hex code #CB0103

#CB0103 rgb(203, 1, 3)

Shades of red

Scarlet Glow has the hex code #CB0103. It is a vivid red.

In the RGB color model it is made of 79.6% red, 0.4% green and 1.2% blue (203, 1, 3).

Its hue angle is 359°, with 99% saturation and 40% lightness. For print, the CMYK equivalent is 0% cyan, 100% magenta, 99% yellow and 20% black.

White text is the more readable choice on this background (contrast 5.92:1).

Scarlet Glow (#CB0103) color codes

HEX	`#CB0103`
RGB	`rgb(203, 1, 3)`
RGB percent	`rgb(79.6%, 0.4%, 1.2%)`
HSL	`hsl(359, 99%, 40%)`
HSV / HSB	`hsv(359, 100%, 80%)`
CMYK	`cmyk(0%, 100%, 99%, 20%)`
CIE LAB	`lab(42.35, 67.38, 55.55)`
CIE LCH	`lch(42.35, 87.33, 39.51)`
CIE XYZ	`xyz(24.659, 12.729, 1.245)`
Decimal	`13304067`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Scarlet Glow, 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 #CB0103	Ratio	AA	AAA	AA large
Sample text	3.54:1	Fail	Fail	Pass
Sample text	5.92:1	Pass	Fail	Pass

#CB0103 as text on	Ratio	AA	AAA	AA large
Sample text	5.92:1	Pass	Fail	Pass
Sample text	3.54:1	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 #CB0103 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #cb0103; }
.text { color: #cb0103; }
.border { border: 2px solid #cb0103; }
.transparent { background-color: rgb(203 1 3 / 50%); }
.gradient { background: linear-gradient(to right, #cb0103, #cb6401); }

Background

Text color

Border

Similar colors

Closest common color name: Fire Engine Red.

See #CB0103 on its hex code page

Questions

What color is #CB0103?: #CB0103 is a vivid red known as Scarlet Glow. It belongs to the red family of colors.
What is the RGB value of Scarlet Glow?: The RGB value is 203, 1, 3: 203 red, 1 green and 3 blue on a 0 to 255 scale.
What is the complementary color of Scarlet Glow?: The complementary color is #01CBC9, found by rotating the hue 180° on the color wheel.
Is black or white text better on #CB0103?: White text. Black text has a contrast ratio of 3.54:1 and white text 5.92:1. WCAG asks for at least 4.5:1 for normal text.