#669cc9

Color #669cc9

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 10.58 Nearest Tailwind class blue-400 #51a2ff · ΔE 5.8

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Conversions

HEX

#669cc9

RGB

rgb(102, 156, 201)

HSL

hsl(207.3, 47.8%, 59.4%)

HSV / HSB

hsv(207.3, 49.3%, 78.8%)

CMYK

cmyk(49.3%, 22.4%, 0%, 21.2%)

LAB

lab(62.35, -5.4, -28.63)

LCH

lch(62.35, 29.13, 259.32)

OKLCH

oklch(67.3%, 0.0882, 244.77)

HWB

hwb(207.3, 40%, 21.2%)

Harmony colors

Complementary

#c99366

Analogous

#66c9c5

#669cc9

#666ac9

Triadic

#669cc9

#c9669c

#9cc966

Split-complementary

#669cc9

#c9666a

#c9c566

Tetradic

#669cc9

#9366c9

#c99366

#9cc966

Square

#669cc9

#c566c9

#c99366

#6ac966

Shades

Color #669cc9 mixed toward black.

#4284bb

#356995

#284f70

#1a354b

#0d1a25

Tints

Color #669cc9 mixed toward white.

#7facd2

#99bddb

#b2cde4

#ccdeed

#e5eef6

Tones

Color #669cc9 mixed toward gray.

#6e9bc1

#769ab8

#7f9ab0

#8799a8

#8f98a0

Accessibility

Aa White text on this color

2.93:1

Aa Black text on this color

7.16:1

Black text reads better on this background (7.16:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8181bf · ΔE 14.9

Deuteranopia

#7e79bd · ΔE 16.7

Tritanopia

#6ab7b5 · ΔE 19.4

Achromatopsia

#979797 · ΔE 17.8

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

Code

CSS

background-color: #669cc9;

Tailwind (arbitrary value)

bg-[#669cc9]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#669cc9 (#669cc9) is rgb(102, 156, 201) in RGB.

No, #669cc9 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.

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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 #669cc9, or check how it holds up for accessibility.

Generate a palette → Check contrast