#648faa

Color #648faa

A muted medium blue.

Closest named color Light Slate Gray #778899 · ΔE 9.47 Nearest Tailwind class cyan-600 #0092b8 · ΔE 7.9

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Conversions

HEX

#648faa

RGB

rgb(100, 143, 170)

HSL

hsl(203.1, 29.2%, 52.9%)

HSV / HSB

hsv(203.1, 41.2%, 66.7%)

CMYK

cmyk(41.2%, 15.9%, 0%, 33.3%)

LAB

lab(57.32, -7.52, -18.85)

LCH

lch(57.32, 20.29, 248.25)

OKLCH

oklch(62.9%, 0.0623, 236.59)

HWB

hwb(203.1, 39.2%, 33.3%)

Harmony colors

Complementary

#aa7f64

Analogous

#64aaa2

#648faa

#646caa

Triadic

#648faa

#aa648f

#8faa64

Split-complementary

#648faa

#aa646c

#aaa264

Tetradic

#648faa

#7f64aa

#aa7f64

#8faa64

Square

#648faa

#a264aa

#aa7f64

#6caa64

Shades

Color #648faa mixed toward black.

#507891

#406074

#304857

#20303a

#10181d

Tints

Color #648faa mixed toward white.

#7ea2b8

#98b4c6

#b1c7d4

#cbdae3

#e5ecf1

Tones

Color #648faa mixed toward gray.

#6a8ea4

#708c9e

#758b98

#7b8a93

#81888d

Accessibility

Aa White text on this color

3.47:1

Aa Black text on this color

6.05:1

Black text reads better on this background (6.05:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7979a4 · ΔE 16.3

Deuteranopia

#7673a3 · ΔE 17.3

Tritanopia

#679f9e · ΔE 13.8

Achromatopsia

#8a8a8a · ΔE 14.7

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

Code

CSS

background-color: #648faa;

Tailwind (arbitrary value)

bg-[#648faa]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Alice Blue #f0f8ff

Sky Blue #87ceeb

Dodger Blue #1e90ff

Frequently asked questions

#648faa (#648faa) is rgb(100, 143, 170) in RGB.

No, #648faa 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #648faa, or check how it holds up for accessibility.

Generate a palette → Check contrast