#6388b8

Color #6388b8

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 6.24 Nearest Tailwind class blue-500 #2b7fff · ΔE 7.3

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Conversions

HEX

#6388b8

RGB

rgb(99, 136, 184)

HSL

hsl(213.9, 37.4%, 55.5%)

HSV / HSB

hsv(213.9, 46.2%, 72.2%)

CMYK

cmyk(46.2%, 26.1%, 0%, 27.8%)

LAB

lab(55.81, 0.24, -29.17)

LCH

lch(55.81, 29.17, 270.47)

OKLCH

oklch(61.9%, 0.0842, 255.27)

HWB

hwb(213.9, 38.8%, 27.8%)

Harmony colors

Complementary

#b89363

Analogous

#63b2b8

#6388b8

#6963b8

Triadic

#6388b8

#b86388

#88b863

Split-complementary

#6388b8

#b86963

#b2b863

Tetradic

#6388b8

#9363b8

#b89363

#88b863

Square

#6388b8

#b863b2

#b89363

#63b869

Shades

Color #6388b8 mixed toward black.

#4a70a2

#3b5a82

#2c4361

#1e2d41

#0f1620

Tints

Color #6388b8 mixed toward white.

#7d9cc4

#97b0d0

#b1c4db

#cbd7e7

#e5ebf3

Tones

Color #6388b8 mixed toward gray.

#6a89b1

#718aaa

#788ba3

#7f8c9c

#868d95

Accessibility

Aa White text on this color

3.66:1

Aa Black text on this color

5.74:1

Black text reads better on this background (5.74:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7575ae · ΔE 10.9

Deuteranopia

#7370ab · ΔE 12.2

Tritanopia

#65a5a3 · ΔE 21.7

Achromatopsia

#868686 · ΔE 17.6

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

Code

CSS

background-color: #6388b8;

Tailwind (arbitrary value)

bg-[#6388b8]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#6388b8 (#6388b8) is rgb(99, 136, 184) in RGB.

No, #6388b8 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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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 #6388b8, or check how it holds up for accessibility.

Generate a palette → Check contrast