What color is #120A8F?

#120A8F is a dark, vivid blue known as Ultramarine. It belongs to the blue family of colors.

What is the RGB value of Ultramarine?

The RGB value is 18, 10, 143: 18 red, 10 green and 143 blue on a 0 to 255 scale.

What is the complementary color of Ultramarine?

The complementary color is #878F0A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #120A8F?

White text. Black text has a contrast ratio of 1.47:1 and white text 14.33:1. WCAG asks for at least 4.5:1 for normal text.

Ultramarine color: hex code #120A8F

#120A8F rgb(18, 10, 143)

Shades of blue

Ultramarine has the hex code #120A8F. It is a dark, vivid blue.

In the RGB color model it is made of 7.1% red, 3.9% green and 56.1% blue (18, 10, 143).

Its hue angle is 244°, with 87% saturation and 30% lightness. For print, the CMYK equivalent is 87% cyan, 93% magenta, 0% yellow and 44% black.

White text is the more readable choice on this background (contrast 14.33:1).

Ultramarine (#120A8F) color codes

HEX	`#120A8F`
RGB	`rgb(18, 10, 143)`
RGB percent	`rgb(7.1%, 3.9%, 56.1%)`
HSL	`hsl(244, 87%, 30%)`
HSV / HSB	`hsv(244, 93%, 56%)`
CMYK	`cmyk(87%, 93%, 0%, 44%)`
CIE LAB	`lab(17.12, 48.42, -67.21)`
CIE LCH	`lch(17.12, 82.84, 305.77)`
CIE XYZ	`xyz(5.314, 2.328, 26.151)`
Decimal	`1182351`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Ultramarine, 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 #120A8F	Ratio	AA	AAA	AA large
Sample text	1.47:1	Fail	Fail	Fail
Sample text	14.33:1	Pass	Pass	Pass

#120A8F as text on	Ratio	AA	AAA	AA large
Sample text	14.33:1	Pass	Pass	Pass
Sample text	1.47:1	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 #120A8F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #120a8f; }
.text { color: #120a8f; }
.border { border: 2px solid #120a8f; }
.transparent { background-color: rgb(18 10 143 / 50%); }
.gradient { background: linear-gradient(to right, #120a8f, #550a8f); }

Background

Text color

Border

Similar colors

See #120A8F on its hex code page

Questions

What color is #120A8F?: #120A8F is a dark, vivid blue known as Ultramarine. It belongs to the blue family of colors.
What is the RGB value of Ultramarine?: The RGB value is 18, 10, 143: 18 red, 10 green and 143 blue on a 0 to 255 scale.
What is the complementary color of Ultramarine?: The complementary color is #878F0A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #120A8F?: White text. Black text has a contrast ratio of 1.47:1 and white text 14.33:1. WCAG asks for at least 4.5:1 for normal text.