#397df2

Color #397df2

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 9.55 Nearest Tailwind class blue-500 #2b7fff · ΔE 1.5

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

Conversions

HEX

#397df2

RGB

rgb(57, 125, 242)

HSL

hsl(217.9, 87.7%, 58.6%)

HSV / HSB

hsv(217.9, 76.4%, 94.9%)

CMYK

cmyk(76.4%, 48.3%, 0%, 5.1%)

LAB

lab(53.97, 18.95, -64.88)

LCH

lch(53.97, 67.59, 286.28)

OKLCH

oklch(60.9%, 0.1891, 260.47)

HWB

hwb(217.9, 22.4%, 5.1%)

Harmony colors

Complementary

#f2ae39

Analogous

#39daf2

#397df2

#5139f2

Triadic

#397df2

#f2397d

#7df239

Split-complementary

#397df2

#f25139

#daf239

Tetradic

#397df2

#ae39f2

#f2ae39

#7df239

Square

#397df2

#f239da

#f2ae39

#39f251

Shades

Color #397df2 mixed toward black.

#0f60ea

#0c4dbb

#09398c

#06265d

#03132f

Tints

Color #397df2 mixed toward white.

#5a93f4

#7ba8f6

#9cbef9

#bdd4fb

#dee9fd

Tones

Color #397df2 mixed toward gray.

#4881e3

#5885d3

#6789c4

#778db4

#8691a5

Accessibility

Aa White text on this color

3.9:1

Aa Black text on this color

5.39:1

Black text reads better on this background (5.39:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5e5fdd · ΔE 12.6

Deuteranopia

#5a55d7 · ΔE 15.5

Tritanopia

#3fcac6 · ΔE 37.1

Achromatopsia

#818181 · ΔE 26.8

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

Code

CSS

background-color: #397df2;

Tailwind (arbitrary value)

bg-[#397df2]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#397df2 (#397df2) is rgb(57, 125, 242) in RGB.

No, #397df2 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 #397df2, or check how it holds up for accessibility.

Generate a palette → Check contrast