#659ddd

Color #659ddd

A moderately saturated light blue.

Closest named color Steel Blue #4682b4 · ΔE 13.05 Nearest Tailwind class blue-400 #51a2ff · ΔE 3.6

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Conversions

HEX

#659ddd

RGB

rgb(101, 157, 221)

HSL

hsl(212, 63.8%, 63.1%)

HSV / HSB

hsv(212, 54.3%, 86.7%)

CMYK

cmyk(54.3%, 29%, 0%, 13.3%)

LAB

lab(63.42, -0.14, -38.09)

LCH

lch(63.42, 38.09, 269.79)

OKLCH

oklch(68.4%, 0.1122, 252.73)

HWB

hwb(212, 39.6%, 13.3%)

Harmony colors

Complementary

#dda565

Analogous

#65d9dd

#659ddd

#6965dd

Triadic

#659ddd

#dd659d

#9ddd65

Split-complementary

#659ddd

#dd6965

#d9dd65

Tetradic

#659ddd

#a565dd

#dda565

#9ddd65

Square

#659ddd

#dd65d9

#dda565

#65dd69

Shades

Color #659ddd mixed toward black.

#3981d3

#2767b0

#1d4d84

#133358

#0a1a2c

Tints

Color #659ddd mixed toward white.

#7fade3

#98bee8

#b2ceee

#ccdef4

#e5eff9

Tones

Color #659ddd mixed toward gray.

#6f9ed3

#799ec9

#839fbf

#8da0b5

#97a0ab

Accessibility

Aa White text on this color

2.83:1

Aa Black text on this color

7.42:1

Black text reads better on this background (7.42:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8182d0 · ΔE 13.6

Deuteranopia

#7e79cd · ΔE 15.8

Tritanopia

#69c5c2 · ΔE 24.7

Achromatopsia

#9a9a9a · ΔE 20.5

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

Code

CSS

background-color: #659ddd;

Tailwind (arbitrary value)

bg-[#659ddd]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#659ddd (#659ddd) is rgb(101, 157, 221) in RGB.

No, #659ddd 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 #659ddd, or check how it holds up for accessibility.

Generate a palette → Check contrast