What color is #181251?

#181251 is a very dark, moderate blue, closest to the named color Space Colonisation. It belongs to the black family of colors.

What is the RGB value of #181251?

The RGB value is 24, 18, 81: 24 red, 18 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #181251?

The complementary color is #4B5112, found by rotating the hue 180° on the color wheel.

Is black or white text better on #181251?

White text. Black text has a contrast ratio of 1.24:1 and white text 16.88:1. WCAG asks for at least 4.5:1 for normal text.

#181251 color

#181251 rgb(24, 18, 81)

Shades of black

The hex color #181251 is a very dark, moderate blue.

In the RGB color model it is made of 9.4% red, 7.1% green and 31.8% blue (24, 18, 81).

Its hue angle is 246°, with 64% saturation and 19% lightness. For print, the CMYK equivalent is 70% cyan, 78% magenta, 0% yellow and 68% black.

The closest named color is Space Colonisation (#150F5B), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.88:1).

#181251 color codes

HEX	`#181251`
RGB	`rgb(24, 18, 81)`
RGB percent	`rgb(9.4%, 7.1%, 31.8%)`
HSL	`hsl(246, 64%, 19%)`
HSV / HSB	`hsv(246, 78%, 32%)`
CMYK	`cmyk(70%, 78%, 0%, 68%)`
CIE LAB	`lab(10.71, 24.68, -37.4)`
CIE LCH	`lch(10.71, 44.81, 303.42)`
CIE XYZ	`xyz(2.078, 1.221, 7.909)`
Decimal	`1577553`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #181251, 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 #181251	Ratio	AA	AAA	AA large
Sample text	1.24:1	Fail	Fail	Fail
Sample text	16.88:1	Pass	Pass	Pass

#181251 as text on	Ratio	AA	AAA	AA large
Sample text	16.88:1	Pass	Pass	Pass
Sample text	1.24:1	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 #181251 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #181251; }
.text { color: #181251; }
.border { border: 2px solid #181251; }
.transparent { background-color: rgb(24 18 81 / 50%); }
.gradient { background: linear-gradient(to right, #181251, #371251); }

Background

Text color

Border

Similar colors

Closest common color name: Midnight Blue.

Questions

What color is #181251?: #181251 is a very dark, moderate blue, closest to the named color Space Colonisation. It belongs to the black family of colors.
What is the RGB value of #181251?: The RGB value is 24, 18, 81: 24 red, 18 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #181251?: The complementary color is #4B5112, found by rotating the hue 180° on the color wheel.
Is black or white text better on #181251?: White text. Black text has a contrast ratio of 1.24:1 and white text 16.88:1. WCAG asks for at least 4.5:1 for normal text.