What color is #15B4BD?

#15B4BD is a vivid cyan, closest to the named color Glassmith. It belongs to the teal family of colors.

What is the RGB value of #15B4BD?

The RGB value is 21, 180, 189: 21 red, 180 green and 189 blue on a 0 to 255 scale.

What is the complementary color of #15B4BD?

The complementary color is #BD1E15, found by rotating the hue 180° on the color wheel.

Is black or white text better on #15B4BD?

Black text. Black text has a contrast ratio of 8.3:1 and white text 2.53:1. WCAG asks for at least 4.5:1 for normal text.

#15B4BD color

#15B4BD rgb(21, 180, 189)

Shades of teal

The hex color #15B4BD is a vivid cyan.

In the RGB color model it is made of 8.2% red, 70.6% green and 74.1% blue (21, 180, 189).

Its hue angle is 183°, with 80% saturation and 41% lightness. For print, the CMYK equivalent is 89% cyan, 5% magenta, 0% yellow and 26% black.

The closest named color is Glassmith (#46B5C0), a difference of 2.7 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 8.3:1).

#15B4BD color codes

HEX	`#15B4BD`
RGB	`rgb(21, 180, 189)`
RGB percent	`rgb(8.2%, 70.6%, 74.1%)`
HSL	`hsl(183, 80%, 41%)`
HSV / HSB	`hsv(183, 89%, 74%)`
CMYK	`cmyk(89%, 5%, 0%, 26%)`
CIE LAB	`lab(66.88, -33.45, -15.23)`
CIE LCH	`lch(66.88, 36.75, 204.48)`
CIE XYZ	`xyz(25.812, 36.473, 53.814)`
Decimal	`1422525`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #15B4BD, 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 #15B4BD	Ratio	AA	AAA	AA large
Sample text	8.3:1	Pass	Pass	Pass
Sample text	2.53:1	Fail	Fail	Fail

#15B4BD as text on	Ratio	AA	AAA	AA large
Sample text	2.53:1	Fail	Fail	Fail
Sample text	8.3:1	Pass	Pass	Pass

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 #15B4BD looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #15b4bd; }
.text { color: #15b4bd; }
.border { border: 2px solid #15b4bd; }
.transparent { background-color: rgb(21 180 189 / 50%); }
.gradient { background: linear-gradient(to right, #15b4bd, #1560bd); }

Background

Text color

Border

Similar colors

Questions

What color is #15B4BD?: #15B4BD is a vivid cyan, closest to the named color Glassmith. It belongs to the teal family of colors.
What is the RGB value of #15B4BD?: The RGB value is 21, 180, 189: 21 red, 180 green and 189 blue on a 0 to 255 scale.
What is the complementary color of #15B4BD?: The complementary color is #BD1E15, found by rotating the hue 180° on the color wheel.
Is black or white text better on #15B4BD?: Black text. Black text has a contrast ratio of 8.3:1 and white text 2.53:1. WCAG asks for at least 4.5:1 for normal text.