What color is #0010BB?

#0010BB is a dark, vivid blue, closest to the named color Too Dark Tonight. It belongs to the blue family of colors.

What is the RGB value of #0010BB?

The RGB value is 0, 16, 187: 0 red, 16 green and 187 blue on a 0 to 255 scale.

What is the complementary color of #0010BB?

The complementary color is #BBAB00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0010BB?

White text. Black text has a contrast ratio of 1.79:1 and white text 11.72:1. WCAG asks for at least 4.5:1 for normal text.

#0010BB color

#0010BB rgb(0, 16, 187)

Shades of blue

The hex color #0010BB is a dark, vivid blue.

In the RGB color model it is made of 0% red, 6.3% green and 73.3% blue (0, 16, 187).

Its hue angle is 235°, with 100% saturation and 37% lightness. For print, the CMYK equivalent is 100% cyan, 91% magenta, 0% yellow and 27% black.

The closest named color is Too Dark Tonight (#0011BB), a difference of 0.1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.72:1).

#0010BB color codes

HEX	`#0010BB`
RGB	`rgb(0, 16, 187)`
RGB percent	`rgb(0%, 6.3%, 73.3%)`
HSL	`hsl(235, 100%, 37%)`
HSV / HSB	`hsv(235, 100%, 73%)`
CMYK	`cmyk(100%, 91%, 0%, 27%)`
CIE LAB	`lab(23.53, 58.79, -83.3)`
CIE LCH	`lch(23.53, 101.96, 305.21)`
CIE XYZ	`xyz(9.152, 3.957, 47.286)`
Decimal	`4283`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0010BB, 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 #0010BB	Ratio	AA	AAA	AA large
Sample text	1.79:1	Fail	Fail	Fail
Sample text	11.72:1	Pass	Pass	Pass

#0010BB as text on	Ratio	AA	AAA	AA large
Sample text	11.72:1	Pass	Pass	Pass
Sample text	1.79:1	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 #0010BB looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0010bb; }
.text { color: #0010bb; }
.border { border: 2px solid #0010bb; }
.transparent { background-color: rgb(0 16 187 / 50%); }
.gradient { background: linear-gradient(to right, #0010bb, #4e00bb); }

Background

Text color

Border

Similar colors

Questions

What color is #0010BB?: #0010BB is a dark, vivid blue, closest to the named color Too Dark Tonight. It belongs to the blue family of colors.
What is the RGB value of #0010BB?: The RGB value is 0, 16, 187: 0 red, 16 green and 187 blue on a 0 to 255 scale.
What is the complementary color of #0010BB?: The complementary color is #BBAB00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0010BB?: White text. Black text has a contrast ratio of 1.79:1 and white text 11.72:1. WCAG asks for at least 4.5:1 for normal text.