What color is #3F4B5C?

#3F4B5C is a dark, grayish azure, closest to the named color Starless Night. It belongs to the gray family of colors.

What is the RGB value of #3F4B5C?

The RGB value is 63, 75, 92: 63 red, 75 green and 92 blue on a 0 to 255 scale.

What is the complementary color of #3F4B5C?

The complementary color is #5C503F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F4B5C?

White text. Black text has a contrast ratio of 2.37:1 and white text 8.85:1. WCAG asks for at least 4.5:1 for normal text.

#3F4B5C color

#3F4B5C rgb(63, 75, 92)

Shades of gray

The hex color #3F4B5C is a dark, grayish azure.

In the RGB color model it is made of 24.7% red, 29.4% green and 36.1% blue (63, 75, 92).

Its hue angle is 215°, with 19% saturation and 30% lightness. For print, the CMYK equivalent is 32% cyan, 18% magenta, 0% yellow and 64% black.

The closest named color is Starless Night (#3E4855), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 8.85:1).

#3F4B5C color codes

HEX	`#3F4B5C`
RGB	`rgb(63, 75, 92)`
RGB percent	`rgb(24.7%, 29.4%, 36.1%)`
HSL	`hsl(215, 19%, 30%)`
HSV / HSB	`hsv(215, 32%, 36%)`
CMYK	`cmyk(32%, 18%, 0%, 64%)`
CIE LAB	`lab(31.49, -0.26, -11.57)`
CIE LCH	`lch(31.49, 11.57, 268.74)`
CIE XYZ	`xyz(6.497, 6.861, 11.105)`
Decimal	`4148060`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3F4B5C, 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 #3F4B5C	Ratio	AA	AAA	AA large
Sample text	2.37:1	Fail	Fail	Fail
Sample text	8.85:1	Pass	Pass	Pass

#3F4B5C as text on	Ratio	AA	AAA	AA large
Sample text	8.85:1	Pass	Pass	Pass
Sample text	2.37:1	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 #3F4B5C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f4b5c; }
.text { color: #3f4b5c; }
.border { border: 2px solid #3f4b5c; }
.transparent { background-color: rgb(63 75 92 / 50%); }
.gradient { background: linear-gradient(to right, #3f4b5c, #423f5c); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #3F4B5C?: #3F4B5C is a dark, grayish azure, closest to the named color Starless Night. It belongs to the gray family of colors.
What is the RGB value of #3F4B5C?: The RGB value is 63, 75, 92: 63 red, 75 green and 92 blue on a 0 to 255 scale.
What is the complementary color of #3F4B5C?: The complementary color is #5C503F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F4B5C?: White text. Black text has a contrast ratio of 2.37:1 and white text 8.85:1. WCAG asks for at least 4.5:1 for normal text.