#3f7bd2

Color #3f7bd2

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 10.32 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.7

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Conversions

HEX

#3f7bd2

RGB

rgb(63, 123, 210)

HSL

hsl(215.5, 62%, 53.5%)

HSV / HSB

hsv(215.5, 70%, 82.4%)

CMYK

cmyk(70%, 41.4%, 0%, 17.6%)

LAB

lab(51.69, 9.34, -50.56)

LCH

lch(51.69, 51.42, 280.47)

OKLCH

oklch(58.6%, 0.1477, 257.88)

HWB

hwb(215.5, 24.7%, 17.6%)

Harmony colors

Complementary

#d2963f

Analogous

#3fc4d2

#3f7bd2

#4c3fd2

Triadic

#3f7bd2

#d23f7b

#7bd23f

Split-complementary

#3f7bd2

#d24c3f

#c4d23f

Tetradic

#3f7bd2

#963fd2

#d2963f

#7bd23f

Square

#3f7bd2

#d23fc4

#d2963f

#3fd24c

Shades

Color #3f7bd2 mixed toward black.

#2b65b8

#235193

#1a3c6f

#11284a

#091425

Tints

Color #3f7bd2 mixed toward white.

#5f91d9

#7fa7e1

#9fbde8

#bfd3f0

#dfe9f7

Tones

Color #3f7bd2 mixed toward gray.

#4b7dc6

#577fb9

#6482ad

#7084a1

#7c8695

Accessibility

Aa White text on this color

4.22:1

Aa Black text on this color

4.98:1

Black 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

#5f5fc2 · ΔE 13.1

Deuteranopia

#5b57bd · ΔE 15.3

Tritanopia

#44b3b0 · ΔE 31.5

Achromatopsia

#7b7b7b · ΔE 23.9

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

Code

CSS

background-color: #3f7bd2;

Tailwind (arbitrary value)

bg-[#3f7bd2]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#3f7bd2 (#3f7bd2) is rgb(63, 123, 210) in RGB.

No, #3f7bd2 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 #3f7bd2, or check how it holds up for accessibility.

Generate a palette → Check contrast