What color is #303C40?

#303C40 is a dark, grayish azure, closest to the named color Tempest in a Teapot. It belongs to the gray family of colors.

What is the RGB value of #303C40?

The RGB value is 48, 60, 64: 48 red, 60 green and 64 blue on a 0 to 255 scale.

What is the complementary color of #303C40?

The complementary color is #403430, found by rotating the hue 180° on the color wheel.

Is black or white text better on #303C40?

White text. Black text has a contrast ratio of 1.85:1 and white text 11.38:1. WCAG asks for at least 4.5:1 for normal text.

#303C40 color

#303C40 rgb(48, 60, 64)

Shades of gray

The hex color #303C40 is a dark, grayish azure.

In the RGB color model it is made of 18.8% red, 23.5% green and 25.1% blue (48, 60, 64).

Its hue angle is 195°, with 14% saturation and 22% lightness. For print, the CMYK equivalent is 25% cyan, 6% magenta, 0% yellow and 75% black.

The closest named color is Tempest in a Teapot (#303A40), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.38:1).

#303C40 color codes

HEX	`#303C40`
RGB	`rgb(48, 60, 64)`
RGB percent	`rgb(18.8%, 23.5%, 25.1%)`
HSL	`hsl(195, 14%, 22%)`
HSV / HSB	`hsv(195, 25%, 25%)`
CMYK	`cmyk(25%, 6%, 0%, 75%)`
CIE LAB	`lab(24.42, -3.85, -4.1)`
CIE LCH	`lch(24.42, 5.62, 226.81)`
CIE XYZ	`xyz(3.76, 4.23, 5.468)`
Decimal	`3161152`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #303C40, 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 #303C40	Ratio	AA	AAA	AA large
Sample text	1.85:1	Fail	Fail	Fail
Sample text	11.38:1	Pass	Pass	Pass

#303C40 as text on	Ratio	AA	AAA	AA large
Sample text	11.38:1	Pass	Pass	Pass
Sample text	1.85:1	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 #303C40 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #303c40; }
.text { color: #303c40; }
.border { border: 2px solid #303c40; }
.transparent { background-color: rgb(48 60 64 / 50%); }
.gradient { background: linear-gradient(to right, #303c40, #303440); }

Background

Text color

Border

Similar colors

Questions

What color is #303C40?: #303C40 is a dark, grayish azure, closest to the named color Tempest in a Teapot. It belongs to the gray family of colors.
What is the RGB value of #303C40?: The RGB value is 48, 60, 64: 48 red, 60 green and 64 blue on a 0 to 255 scale.
What is the complementary color of #303C40?: The complementary color is #403430, found by rotating the hue 180° on the color wheel.
Is black or white text better on #303C40?: White text. Black text has a contrast ratio of 1.85:1 and white text 11.38:1. WCAG asks for at least 4.5:1 for normal text.