#3979d9

Color #3979d9

A moderately saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 11.77 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.5

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

Conversions

HEX

#3979d9

RGB

rgb(57, 121, 217)

HSL

hsl(216, 67.8%, 53.7%)

HSV / HSB

hsv(216, 73.7%, 85.1%)

CMYK

cmyk(73.7%, 44.2%, 0%, 14.9%)

LAB

lab(51.33, 12.28, -55.12)

LCH

lch(51.33, 56.47, 282.56)

OKLCH

oklch(58.4%, 0.1611, 258.54)

HWB

hwb(216, 22.4%, 14.9%)

Harmony colors

Complementary

#d99939

Analogous

#39c9d9

#3979d9

#4939d9

Triadic

#3979d9

#d93979

#79d939

Split-complementary

#3979d9

#d94939

#c9d939

Tetradic

#3979d9

#9939d9

#d99939

#79d939

Square

#3979d9

#d939c9

#d99939

#39d949

Shades

Color #3979d9 mixed toward black.

#2563bf

#1d4f99

#163b73

#0f274d

#071426

Tints

Color #3979d9 mixed toward white.

#5a8fdf

#7ba6e6

#9cbcec

#bdd2f2

#dee9f9

Tones

Color #3979d9 mixed toward gray.

#467ccc

#547ebe

#6181b1

#6e84a4

#7c8696

Accessibility

Aa White text on this color

4.28:1

Aa Black text on this color

4.91:1

Black text reads better on this background (4.91:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5c5cc7 · ΔE 13.1

Deuteranopia

#5853c3 · ΔE 15.6

Tritanopia

#3eb7b4 · ΔE 33.4

Achromatopsia

#7a7a7a · ΔE 24.9

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

Code

CSS

background-color: #3979d9;

Tailwind (arbitrary value)

bg-[#3979d9]

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

#3979d9 (#3979d9) is rgb(57, 121, 217) in RGB.

No, #3979d9 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.

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 #3979d9, or check how it holds up for accessibility.

Generate a palette → Check contrast