What color is #637683?

#637683 is a grayish azure, closest to the named color Whale Shark. It belongs to the gray family of colors.

What is the RGB value of #637683?

The RGB value is 99, 118, 131: 99 red, 118 green and 131 blue on a 0 to 255 scale.

What is the complementary color of #637683?

The complementary color is #837063, found by rotating the hue 180° on the color wheel.

Is black or white text better on #637683?

White text. Black text has a contrast ratio of 4.45:1 and white text 4.72:1. WCAG asks for at least 4.5:1 for normal text.

#637683 color

#637683 rgb(99, 118, 131)

Shades of gray

The hex color #637683 is a grayish azure.

In the RGB color model it is made of 38.8% red, 46.3% green and 51.4% blue (99, 118, 131).

Its hue angle is 204°, with 14% saturation and 45% lightness. For print, the CMYK equivalent is 24% cyan, 10% magenta, 0% yellow and 49% black.

The closest named color is Whale Shark (#607C8E), a difference of 3.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 4.72:1).

#637683 color codes

HEX	`#637683`
RGB	`rgb(99, 118, 131)`
RGB percent	`rgb(38.8%, 46.3%, 51.4%)`
HSL	`hsl(204, 14%, 45%)`
HSV / HSB	`hsv(204, 24%, 51%)`
CMYK	`cmyk(24%, 10%, 0%, 49%)`
CIE LAB	`lab(48.57, -3.87, -9.43)`
CIE LCH	`lch(48.57, 10.19, 247.71)`
CIE XYZ	`xyz(15.72, 17.248, 23.969)`
Decimal	`6518403`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #637683, 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 #637683	Ratio	AA	AAA	AA large
Sample text	4.45:1	Fail	Fail	Pass
Sample text	4.72:1	Pass	Fail	Pass

#637683 as text on	Ratio	AA	AAA	AA large
Sample text	4.72:1	Pass	Fail	Pass
Sample text	4.45:1	Fail	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 #637683 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #637683; }
.text { color: #637683; }
.border { border: 2px solid #637683; }
.transparent { background-color: rgb(99 118 131 / 50%); }
.gradient { background: linear-gradient(to right, #637683, #636683); }

Background

Text color

Border

Similar colors

Questions

What color is #637683?: #637683 is a grayish azure, closest to the named color Whale Shark. It belongs to the gray family of colors.
What is the RGB value of #637683?: The RGB value is 99, 118, 131: 99 red, 118 green and 131 blue on a 0 to 255 scale.
What is the complementary color of #637683?: The complementary color is #837063, found by rotating the hue 180° on the color wheel.
Is black or white text better on #637683?: White text. Black text has a contrast ratio of 4.45:1 and white text 4.72:1. WCAG asks for at least 4.5:1 for normal text.