#3f8199

Color #3f8199

A moderately saturated medium cyan.

Closest named color Slate Gray #708090 · ΔE 14.59 Nearest Tailwind class cyan-700 #007595 · ΔE 5.9

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Conversions

HEX

#3f8199

RGB

rgb(63, 129, 153)

HSL

hsl(196, 41.7%, 42.4%)

HSV / HSB

hsv(196, 58.8%, 60%)

CMYK

cmyk(58.8%, 15.7%, 0%, 40%)

LAB

lab(50.75, -13.69, -19.23)

LCH

lch(50.75, 23.61, 234.55)

OKLCH

oklch(57%, 0.0764, 224.42)

HWB

hwb(196, 24.7%, 40%)

Harmony colors

Complementary

#99573f

Analogous

#3f9984

#3f8199

#3f5499

Triadic

#3f8199

#993f81

#81993f

Split-complementary

#3f8199

#993f54

#99843f

Tetradic

#3f8199

#573f99

#99573f

#81993f

Square

#3f8199

#843f99

#99573f

#54993f

Shades

Color #3f8199 mixed toward black.

#356c80

#2a5666

#20414d

#152b33

#0b161a

Tints

Color #3f8199 mixed toward white.

#529cb8

#74b0c6

#97c4d4

#bad8e2

#dcebf1

Tones

Color #3f8199 mixed toward gray.

#477e92

#4e7a8a

#567783

#5d737b

#657074

Accessibility

Aa White text on this color

4.36:1

Aa Black text on this color

4.81:1

Black text reads better on this background (4.81:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#626394 · ΔE 20.7

Deuteranopia

#5f5992 · ΔE 22.6

Tritanopia

#448f8e · ΔE 11.9

Achromatopsia

#797979 · ΔE 17.1

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

Code

CSS

background-color: #3f8199;

Tailwind (arbitrary value)

bg-[#3f8199]

Related colors

Deep Sky Blue #00bfff

Light Blue #add8e6

Sky Blue #87ceeb

Light Sky Blue #87cefa

Charcoal #36454f

Powder Blue #b0e0e6

Frequently asked questions

#3f8199 (#3f8199) is rgb(63, 129, 153) in RGB.

No, #3f8199 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #3f8199, or check how it holds up for accessibility.

Generate a palette → Check contrast