#3f7ce1

Color #3f7ce1

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 9.93 Nearest Tailwind class blue-500 #2b7fff · ΔE 3.1

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#3f7ce1

RGB

rgb(63, 124, 225)

HSL

hsl(217.4, 73%, 56.5%)

HSV / HSB

hsv(217.4, 72%, 88.2%)

CMYK

cmyk(72%, 44.9%, 0%, 11.8%)

LAB

lab(52.85, 14.12, -57.18)

LCH

lch(52.85, 58.9, 283.87)

OKLCH

oklch(59.8%, 0.1664, 259.93)

HWB

hwb(217.4, 24.7%, 11.8%)

Harmony colors

Complementary

#e1a43f

Analogous

#3fcde1

#3f7ce1

#533fe1

Triadic

#3f7ce1

#e13f7c

#7ce13f

Split-complementary

#3f7ce1

#e1533f

#cde13f

Tetradic

#3f7ce1

#a43fe1

#e1a43f

#7ce13f

Square

#3f7ce1

#e13fcd

#e1a43f

#3fe153

Shades

Color #3f7ce1 mixed toward black.

#2062d0

#1a4fa6

#133b7d

#0d2753

#06142a

Tints

Color #3f7ce1 mixed toward white.

#5f92e6

#7fa8eb

#9fbef0

#bfd3f5

#dfe9fa

Tones

Color #3f7ce1 mixed toward gray.

#4d7fd4

#5a83c6

#6886b9

#7589ab

#838d9e

Accessibility

Aa White text on this color

4.05:1

Aa Black text on this color

5.18:1

Black text reads better on this background (5.18:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5f60ce · ΔE 12.5

Deuteranopia

#5c57ca · ΔE 15.1

Tritanopia

#44beba · ΔE 34.4

Achromatopsia

#7e7e7e · ΔE 25.4

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

Code

CSS

background-color: #3f7ce1;

Tailwind (arbitrary value)

bg-[#3f7ce1]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Royal Blue #4169e1

Dodger Blue #1e90ff

Frequently asked questions

#3f7ce1 (#3f7ce1) is rgb(63, 124, 225) in RGB.

No, #3f7ce1 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.

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 #3f7ce1, or check how it holds up for accessibility.

Generate a palette → Check contrast