What color is #638580?

#638580 is a grayish spring green, closest to the named color Underwater World. It belongs to the teal family of colors.

What is the RGB value of #638580?

The RGB value is 99, 133, 128: 99 red, 133 green and 128 blue on a 0 to 255 scale.

What is the complementary color of #638580?

The complementary color is #856368, found by rotating the hue 180° on the color wheel.

Is black or white text better on #638580?

Black text. Black text has a contrast ratio of 5.2:1 and white text 4.04:1. WCAG asks for at least 4.5:1 for normal text.

#638580 color

#638580 rgb(99, 133, 128)

Shades of teal

The hex color #638580 is a grayish spring green.

In the RGB color model it is made of 38.8% red, 52.2% green and 50.2% blue (99, 133, 128).

Its hue angle is 171°, with 15% saturation and 45% lightness. For print, the CMYK equivalent is 26% cyan, 0% magenta, 4% yellow and 48% black.

The closest named color is Underwater World (#657F7A), a difference of 2.9 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 5.2:1).

#638580 color codes

HEX	`#638580`
RGB	`rgb(99, 133, 128)`
RGB percent	`rgb(38.8%, 52.2%, 50.2%)`
HSL	`hsl(171, 15%, 45%)`
HSV / HSB	`hsv(171, 26%, 52%)`
CMYK	`cmyk(26%, 0%, 4%, 48%)`
CIE LAB	`lab(52.93, -13.07, -1.2)`
CIE LCH	`lch(52.93, 13.12, 185.26)`
CIE XYZ	`xyz(17.428, 20.985, 23.55)`
Decimal	`6522240`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #638580, 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 #638580	Ratio	AA	AAA	AA large
Sample text	5.2:1	Pass	Fail	Pass
Sample text	4.04:1	Fail	Fail	Pass

#638580 as text on	Ratio	AA	AAA	AA large
Sample text	4.04:1	Fail	Fail	Pass
Sample text	5.2:1	Pass	Fail	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 #638580 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #638580; }
.text { color: #638580; }
.border { border: 2px solid #638580; }
.transparent { background-color: rgb(99 133 128 / 50%); }
.gradient { background: linear-gradient(to right, #638580, #637985); }

Background

Text color

Border

Similar colors

Questions

What color is #638580?: #638580 is a grayish spring green, closest to the named color Underwater World. It belongs to the teal family of colors.
What is the RGB value of #638580?: The RGB value is 99, 133, 128: 99 red, 133 green and 128 blue on a 0 to 255 scale.
What is the complementary color of #638580?: The complementary color is #856368, found by rotating the hue 180° on the color wheel.
Is black or white text better on #638580?: Black text. Black text has a contrast ratio of 5.2:1 and white text 4.04:1. WCAG asks for at least 4.5:1 for normal text.