#397db4

Color #397db4

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 3.75 Nearest Tailwind class sky-600 #0084d1 · ΔE 4

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Conversions

HEX

#397db4

RGB

rgb(57, 125, 180)

HSL

hsl(206.8, 51.9%, 46.5%)

HSV / HSB

hsv(206.8, 68.3%, 70.6%)

CMYK

cmyk(68.3%, 30.6%, 0%, 29.4%)

LAB

lab(50.49, -3.47, -35.32)

LCH

lch(50.49, 35.49, 264.39)

OKLCH

oklch(57.1%, 0.1094, 245.82)

HWB

hwb(206.8, 22.4%, 29.4%)

Harmony colors

Complementary

#b47039

Analogous

#39b4ae

#397db4

#3940b4

Triadic

#397db4

#b4397d

#7db439

Split-complementary

#397db4

#b43940

#b4ae39

Tetradic

#397db4

#7039b4

#b47039

#7db439

Square

#397db4

#ae39b4

#b47039

#40b439

Shades

Color #397db4 mixed toward black.

#306896

#265378

#1d3f5a

#132a3c

#0a151e

Tints

Color #397db4 mixed toward white.

#5294c8

#75a9d3

#97bfde

#bad4e9

#dceaf4

Tones

Color #397db4 mixed toward gray.

#437caa

#4e7ba0

#587a95

#62798b

#6c7881

Accessibility

Aa White text on this color

4.41:1

Aa Black text on this color

4.77:1

Black text reads better on this background (4.77:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5e5fa9 · ΔE 16

Deuteranopia

#5a55a6 · ΔE 18.5

Tritanopia

#3f9f9d · ΔE 23.2

Achromatopsia

#787878 · ΔE 19.8

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

Code

CSS

background-color: #397db4;

Tailwind (arbitrary value)

bg-[#397db4]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Charcoal #36454f

Light Slate Gray #778899

Slate Gray #708090

Frequently asked questions

#397db4 (#397db4) is rgb(57, 125, 180) in RGB.

No, #397db4 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 #397db4, or check how it holds up for accessibility.

Generate a palette → Check contrast