What color is #303B3F?

#303B3F 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 #303B3F?

The RGB value is 48, 59, 63: 48 red, 59 green and 63 blue on a 0 to 255 scale.

What is the complementary color of #303B3F?

The complementary color is #3F3430, found by rotating the hue 180° on the color wheel.

Is black or white text better on #303B3F?

White text. Black text has a contrast ratio of 1.82:1 and white text 11.52:1. WCAG asks for at least 4.5:1 for normal text.

#303B3F color

#303B3F rgb(48, 59, 63)

Shades of gray

The hex color #303B3F is a dark, grayish azure.

In the RGB color model it is made of 18.8% red, 23.1% green and 24.7% blue (48, 59, 63).

Its hue angle is 196°, with 14% saturation and 22% lightness. For print, the CMYK equivalent is 24% cyan, 6% magenta, 0% yellow and 75% black.

The closest named color is Tempest in a Teapot (#303A40), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.52:1).

#303B3F color codes

HEX	`#303B3F`
RGB	`rgb(48, 59, 63)`
RGB percent	`rgb(18.8%, 23.1%, 24.7%)`
HSL	`hsl(196, 14%, 22%)`
HSV / HSB	`hsv(196, 24%, 25%)`
CMYK	`cmyk(24%, 6%, 0%, 75%)`
CIE LAB	`lab(24.05, -3.47, -3.99)`
CIE LCH	`lch(24.05, 5.29, 228.92)`
CIE XYZ	`xyz(3.68, 4.115, 5.302)`
Decimal	`3160895`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #303B3F, 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 #303B3F	Ratio	AA	AAA	AA large
Sample text	1.82:1	Fail	Fail	Fail
Sample text	11.52:1	Pass	Pass	Pass

#303B3F as text on	Ratio	AA	AAA	AA large
Sample text	11.52:1	Pass	Pass	Pass
Sample text	1.82:1	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 #303B3F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #303b3f; }
.text { color: #303b3f; }
.border { border: 2px solid #303b3f; }
.transparent { background-color: rgb(48 59 63 / 50%); }
.gradient { background: linear-gradient(to right, #303b3f, #30343f); }

Background

Text color

Border

Similar colors

Questions

What color is #303B3F?: #303B3F 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 #303B3F?: The RGB value is 48, 59, 63: 48 red, 59 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #303B3F?: The complementary color is #3F3430, found by rotating the hue 180° on the color wheel.
Is black or white text better on #303B3F?: White text. Black text has a contrast ratio of 1.82:1 and white text 11.52:1. WCAG asks for at least 4.5:1 for normal text.