What color is #12172F?

#12172F is a very dark, desaturated blue, closest to the named color Dark Knight. It belongs to the black family of colors.

What is the RGB value of #12172F?

The RGB value is 18, 23, 47: 18 red, 23 green and 47 blue on a 0 to 255 scale.

What is the complementary color of #12172F?

The complementary color is #2F2A12, found by rotating the hue 180° on the color wheel.

Is black or white text better on #12172F?

White text. Black text has a contrast ratio of 1.19:1 and white text 17.66:1. WCAG asks for at least 4.5:1 for normal text.

#12172F color

#12172F rgb(18, 23, 47)

Shades of black

The hex color #12172F is a very dark, desaturated blue.

In the RGB color model it is made of 7.1% red, 9% green and 18.4% blue (18, 23, 47).

Its hue angle is 230°, with 45% saturation and 13% lightness. For print, the CMYK equivalent is 62% cyan, 51% magenta, 0% yellow and 82% black.

The closest named color is Dark Knight (#151931), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 17.66:1).

#12172F color codes

HEX	`#12172F`
RGB	`rgb(18, 23, 47)`
RGB percent	`rgb(7.1%, 9%, 18.4%)`
HSL	`hsl(230, 45%, 13%)`
HSV / HSB	`hsv(230, 62%, 18%)`
CMYK	`cmyk(62%, 51%, 0%, 82%)`
CIE LAB	`lab(8.54, 6.25, -16.83)`
CIE LCH	`lch(8.54, 17.96, 290.37)`
CIE XYZ	`xyz(1.069, 0.947, 2.815)`
Decimal	`1185583`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #12172F, 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 #12172F	Ratio	AA	AAA	AA large
Sample text	1.19:1	Fail	Fail	Fail
Sample text	17.66:1	Pass	Pass	Pass

#12172F as text on	Ratio	AA	AAA	AA large
Sample text	17.66:1	Pass	Pass	Pass
Sample text	1.19:1	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 #12172F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #12172f; }
.text { color: #12172f; }
.border { border: 2px solid #12172f; }
.transparent { background-color: rgb(18 23 47 / 50%); }
.gradient { background: linear-gradient(to right, #12172f, #1b122f); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #12172F?: #12172F is a very dark, desaturated blue, closest to the named color Dark Knight. It belongs to the black family of colors.
What is the RGB value of #12172F?: The RGB value is 18, 23, 47: 18 red, 23 green and 47 blue on a 0 to 255 scale.
What is the complementary color of #12172F?: The complementary color is #2F2A12, found by rotating the hue 180° on the color wheel.
Is black or white text better on #12172F?: White text. Black text has a contrast ratio of 1.19:1 and white text 17.66:1. WCAG asks for at least 4.5:1 for normal text.