#397add

Color #397add

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 10.66 Nearest Tailwind class blue-500 #2b7fff · ΔE 3.9

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Conversions

HEX

#397add

RGB

rgb(57, 122, 221)

HSL

hsl(216.2, 70.7%, 54.5%)

HSV / HSB

hsv(216.2, 74.2%, 86.7%)

CMYK

cmyk(74.2%, 44.8%, 0%, 13.3%)

LAB

lab(51.85, 13.13, -56.55)

LCH

lch(51.85, 58.05, 283.07)

OKLCH

oklch(58.9%, 0.1653, 258.76)

HWB

hwb(216.2, 22.4%, 13.3%)

Harmony colors

Complementary

#dd9c39

Analogous

#39ccdd

#397add

#4a39dd

Triadic

#397add

#dd397a

#7add39

Split-complementary

#397add

#dd4a39

#ccdd39

Tetradic

#397add

#9c39dd

#dd9c39

#7add39

Square

#397add

#dd39cc

#dd9c39

#39dd4a

Shades

Color #397add mixed toward black.

#2263c6

#1b4f9e

#143b77

#0e284f

#071428

Tints

Color #397add mixed toward white.

#5a90e3

#7ba6e8

#9cbdee

#bdd3f4

#dee9f9

Tones

Color #397add mixed toward gray.

#477dcf

#5480c2

#6282b4

#7085a6

#7d8899

Accessibility

Aa White text on this color

4.2:1

Aa Black text on this color

5:1

Black text reads better on this background (5:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5c5dcb · ΔE 13

Deuteranopia

#5853c6 · ΔE 15.8

Tritanopia

#3ebbb7 · ΔE 34.3

Achromatopsia

#7c7c7c · ΔE 25.2

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

Code

CSS

background-color: #397add;

Tailwind (arbitrary value)

bg-[#397add]

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

#397add (#397add) is rgb(57, 122, 221) in RGB.

No, #397add 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.

Try it → Accessibility

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 #397add, or check how it holds up for accessibility.

Generate a palette → Check contrast