#63708a

Color #63708a

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 8.61 Nearest Tailwind class slate-500 #62748e · ΔE 2.4

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Conversions

HEX

#63708a

RGB

rgb(99, 112, 138)

HSL

hsl(220, 16.5%, 46.5%)

HSV / HSB

hsv(220, 28.3%, 54.1%)

CMYK

cmyk(28.3%, 18.8%, 0%, 45.9%)

LAB

lab(47.07, 1.46, -15.85)

LCH

lch(47.07, 15.92, 275.26)

OKLCH

oklch(54.4%, 0.0437, 264.09)

HWB

hwb(220, 38.8%, 45.9%)

Harmony colors

Complementary

#8a7d63

Analogous

#63848a

#63708a

#6a638a

Triadic

#63708a

#8a6370

#708a63

Split-complementary

#63708a

#8a6a63

#848a63

Tetradic

#63708a

#7d638a

#8a7d63

#708a63

Square

#63708a

#8a6384

#8a7d63

#638a6a

Shades

Color #63708a mixed toward black.

#535d73

#424b5c

#323845

#21252e

#111317

Tints

Color #63708a mixed toward white.

#7b87a0

#959fb3

#b0b7c6

#cacfd9

#e5e7ec

Tones

Color #63708a mixed toward gray.

#667187

#6a7284

#6d7380

#70747d

#73757a

Accessibility

Aa White text on this color

4.98:1

Aa Black text on this color

4.22:1

White text reads better on this background (4.98:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#696984 · ΔE 6.1

Deuteranopia

#686783 · ΔE 6.8

Tritanopia

#64807e · ΔE 16.6

Achromatopsia

#707070 · ΔE 11.8

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #63708a;

Tailwind (arbitrary value)

bg-[#63708a]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#63708a (#63708a) is rgb(99, 112, 138) in RGB.

No, #63708a is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #63708a, or check how it holds up for accessibility.

Generate a palette → Check contrast