#397bdd

Color #397bdd

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 10.6 Nearest Tailwind class blue-500 #2b7fff · ΔE 3.8

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

Conversions

HEX

#397bdd

RGB

rgb(57, 123, 221)

HSL

hsl(215.9, 70.7%, 54.5%)

HSV / HSB

hsv(215.9, 74.2%, 86.7%)

CMYK

cmyk(74.2%, 44.3%, 0%, 13.3%)

LAB

lab(52.12, 12.51, -56.1)

LCH

lch(52.12, 57.48, 282.57)

OKLCH

oklch(59.1%, 0.1641, 258.4)

HWB

hwb(215.9, 22.4%, 13.3%)

Harmony colors

Complementary

#dd9b39

Analogous

#39cddd

#397bdd

#4939dd

Triadic

#397bdd

#dd397b

#7bdd39

Split-complementary

#397bdd

#dd4939

#cddd39

Tetradic

#397bdd

#9b39dd

#dd9b39

#7bdd39

Square

#397bdd

#dd39cd

#dd9b39

#39dd49

Shades

Color #397bdd mixed toward black.

#2264c6

#1b509e

#143c77

#0e284f

#071428

Tints

Color #397bdd mixed toward white.

#5a91e3

#7ba7e8

#9cbdee

#bdd3f4

#dee9f9

Tones

Color #397bdd mixed toward gray.

#477ecf

#5480c2

#6283b4

#7086a6

#7d8899

Accessibility

Aa White text on this color

4.16:1

Aa Black text on this color

5.05:1

Black text reads better on this background (5.05:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5d5dcb · ΔE 13.4

Deuteranopia

#5954c6 · ΔE 15.9

Tritanopia

#3ebbb7 · ΔE 34

Achromatopsia

#7c7c7c · ΔE 25.1

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

Code

CSS

background-color: #397bdd;

Tailwind (arbitrary value)

bg-[#397bdd]

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

#397bdd (#397bdd) is rgb(57, 123, 221) in RGB.

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

Generate a palette → Check contrast