#397ba8

Color #397ba8

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 4.42 Nearest Tailwind class sky-600 #0084d1 · ΔE 5.6

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Conversions

HEX

#397ba8

RGB

rgb(57, 123, 168)

HSL

hsl(204.3, 49.3%, 44.1%)

HSV / HSB

hsv(204.3, 66.1%, 65.9%)

CMYK

cmyk(66.1%, 26.8%, 0%, 34.1%)

LAB

lab(49.33, -6.46, -30.19)

LCH

lch(49.33, 30.87, 257.92)

OKLCH

oklch(56%, 0.0969, 241.27)

HWB

hwb(204.3, 22.4%, 34.1%)

Harmony colors

Complementary

#a86639

Analogous

#39a89d

#397ba8

#3944a8

Triadic

#397ba8

#a8397b

#7ba839

Split-complementary

#397ba8

#a83944

#a89d39

Tetradic

#397ba8

#6639a8

#a86639

#7ba839

Square

#397ba8

#9d39a8

#a86639

#44a839

Shades

Color #397ba8 mixed toward black.

#30668c

#265270

#1d3d54

#132938

#0a141c

Tints

Color #397ba8 mixed toward white.

#4e93c3

#71a9cf

#95bedb

#b8d4e7

#dce9f3

Tones

Color #397ba8 mixed toward gray.

#42799f

#4b7795

#55768c

#5e7483

#67727a

Accessibility

Aa White text on this color

4.59:1

Aa Black text on this color

4.57:1

White text reads better on this background (4.59:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5d5d9f · ΔE 16.8

Deuteranopia

#59549c · ΔE 18.8

Tritanopia

#3e9795 · ΔE 20.4

Achromatopsia

#757575 · ΔE 18.4

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

Code

CSS

background-color: #397ba8;

Tailwind (arbitrary value)

bg-[#397ba8]

Related colors

Charcoal #36454f

Light Sky Blue #87cefa

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#397ba8 (#397ba8) is rgb(57, 123, 168) in RGB.

No, #397ba8 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 #397ba8, or check how it holds up for accessibility.

Generate a palette → Check contrast