#397db1

Color #397db1

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 2.7 Nearest Tailwind class sky-600 #0084d1 · ΔE 4.2

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

Conversions

HEX

#397db1

RGB

rgb(57, 125, 177)

HSL

hsl(206, 51.3%, 45.9%)

HSV / HSB

hsv(206, 67.8%, 69.4%)

CMYK

cmyk(67.8%, 29.4%, 0%, 30.6%)

LAB

lab(50.35, -4.52, -33.81)

LCH

lch(50.35, 34.11, 262.39)

OKLCH

oklch(56.9%, 0.1059, 244.38)

HWB

hwb(206, 22.4%, 30.6%)

Harmony colors

Complementary

#b16d39

Analogous

#39b1a9

#397db1

#3941b1

Triadic

#397db1

#b1397d

#7db139

Split-complementary

#397db1

#b13941

#b1a939

Tetradic

#397db1

#6d39b1

#b16d39

#7db139

Square

#397db1

#a939b1

#b16d39

#41b139

Shades

Color #397db1 mixed toward black.

#306894

#265376

#1d3f59

#132a3b

#0a151e

Tints

Color #397db1 mixed toward white.

#5194c7

#74a9d2

#97bfdd

#b9d4e9

#dceaf4

Tones

Color #397db1 mixed toward gray.

#437ca7

#4d7a9d

#577993

#617889

#6b767f

Accessibility

Aa White text on this color

4.43:1

Aa Black text on this color

4.74:1

Black text reads better on this background (4.74:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5e5fa6 · ΔE 16.3

Deuteranopia

#5a55a4 · ΔE 18.7

Tritanopia

#3f9d9b · ΔE 22.3

Achromatopsia

#787878 · ΔE 19.4

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

Code

CSS

background-color: #397db1;

Tailwind (arbitrary value)

bg-[#397db1]

Related colors

Steel Blue #4682b4

Charcoal #36454f

Alice Blue #f0f8ff

Light Sky Blue #87cefa

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#397db1 (#397db1) is rgb(57, 125, 177) in RGB.

No, #397db1 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.

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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 #397db1, or check how it holds up for accessibility.

Generate a palette → Check contrast