#397cb1

Color #397cb1

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 3.2 Nearest Tailwind class sky-600 #0084d1 · ΔE 4.4

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

Conversions

HEX

#397cb1

RGB

rgb(57, 124, 177)

HSL

hsl(206.5, 51.3%, 45.9%)

HSV / HSB

hsv(206.5, 67.8%, 69.4%)

CMYK

cmyk(67.8%, 29.9%, 0%, 30.6%)

LAB

lab(50.05, -3.93, -34.28)

LCH

lch(50.05, 34.5, 263.46)

OKLCH

oklch(56.7%, 0.1066, 245.21)

HWB

hwb(206.5, 22.4%, 30.6%)

Harmony colors

Complementary

#b16e39

Analogous

#39b1aa

#397cb1

#3940b1

Triadic

#397cb1

#b1397c

#7cb139

Split-complementary

#397cb1

#b13940

#b1aa39

Tetradic

#397cb1

#6e39b1

#b16e39

#7cb139

Square

#397cb1

#aa39b1

#b16e39

#40b139

Shades

Color #397cb1 mixed toward black.

#306794

#265376

#1d3e59

#13293b

#0a151e

Tints

Color #397cb1 mixed toward white.

#5193c7

#74a9d2

#97bedd

#b9d4e9

#dce9f4

Tones

Color #397cb1 mixed toward gray.

#437ba7

#4d7a9d

#577993

#617789

#6b767f

Accessibility

Aa White text on this color

4.48:1

Aa Black text on this color

4.69:1

Black text reads better on this background (4.69:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5d5ea6 · ΔE 16

Deuteranopia

#5a54a3 · ΔE 18.7

Tritanopia

#3f9d9b · ΔE 22.7

Achromatopsia

#777777 · ΔE 19.5

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

Code

CSS

background-color: #397cb1;

Tailwind (arbitrary value)

bg-[#397cb1]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Charcoal #36454f

Dodger Blue #1e90ff

Light Sky Blue #87cefa

Light Slate Gray #778899

Frequently asked questions

#397cb1 (#397cb1) is rgb(57, 124, 177) in RGB.

No, #397cb1 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 #397cb1, or check how it holds up for accessibility.

Generate a palette → Check contrast