#397fd0

Color #397fd0

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 10.3 Nearest Tailwind class sky-600 #0084d1 · ΔE 4.5

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Conversions

HEX

#397fd0

RGB

rgb(57, 127, 208)

HSL

hsl(212.2, 61.6%, 52%)

HSV / HSB

hsv(212.2, 72.6%, 81.6%)

CMYK

cmyk(72.6%, 38.9%, 0%, 18.4%)

LAB

lab(52.51, 5.32, -48.14)

LCH

lch(52.51, 48.43, 276.31)

OKLCH

oklch(59.2%, 0.1428, 254.07)

HWB

hwb(212.2, 22.4%, 18.4%)

Harmony colors

Complementary

#d08a39

Analogous

#39cad0

#397fd0

#3f39d0

Triadic

#397fd0

#d0397f

#7fd039

Split-complementary

#397fd0

#d03f39

#cad039

Tetradic

#397fd0

#8a39d0

#d08a39

#7fd039

Square

#397fd0

#d039ca

#d08a39

#39d03f

Shades

Color #397fd0 mixed toward black.

#2a6ab3

#22548f

#193f6b

#112a47

#081524

Tints

Color #397fd0 mixed toward white.

#5a94d8

#7baae0

#9cbfe7

#bdd4ef

#deeaf7

Tones

Color #397fd0 mixed toward gray.

#4680c3

#5281b7

#5f82aa

#6b839e

#788491

Accessibility

Aa White text on this color

4.1:1

Aa Black text on this color

5.12:1

Black text reads better on this background (5.12:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5f60c0 · ΔE 14.9

Deuteranopia

#5b56bc · ΔE 17.7

Tritanopia

#3fb3b0 · ΔE 30

Achromatopsia

#7d7d7d · ΔE 23.2

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

Code

CSS

background-color: #397fd0;

Tailwind (arbitrary value)

bg-[#397fd0]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#397fd0 (#397fd0) is rgb(57, 127, 208) in RGB.

No, #397fd0 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.

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 #397fd0, or check how it holds up for accessibility.

Generate a palette → Check contrast