#665ebf

Color #665ebf

A moderately saturated medium blue.

Closest named color Slate Blue #6a5acd · ΔE 10.72 Nearest Tailwind class indigo-500 #615fff · ΔE 8.8

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Conversions

HEX

#665ebf

RGB

rgb(102, 94, 191)

HSL

hsl(244.9, 43.1%, 55.9%)

HSV / HSB

hsv(244.9, 50.8%, 74.9%)

CMYK

cmyk(46.6%, 50.8%, 0%, 25.1%)

LAB

lab(45.07, 28.53, -50.13)

LCH

lch(45.07, 57.68, 299.65)

OKLCH

oklch(53.8%, 0.147, 284.02)

HWB

hwb(244.9, 36.9%, 25.1%)

Harmony colors

Complementary

#b7bf5e

Analogous

#5e87bf

#665ebf

#965ebf

Triadic

#665ebf

#bf665e

#5ebf66

Split-complementary

#665ebf

#bf965e

#87bf5e

Tetradic

#665ebf

#bf5eb7

#b7bf5e

#5ebf66

Square

#665ebf

#bf5e87

#b7bf5e

#5ebf96

Shades

Color #665ebf mixed toward black.

#4c44aa

#3d3688

#2e2966

#1e1b44

#0f0e22

Tints

Color #665ebf mixed toward white.

#7f79ca

#9994d4

#b2afdf

#ccc9ea

#e5e4f4

Tones

Color #665ebf mixed toward gray.

#6d66b7

#746eaf

#7a76a7

#817e9f

#888697

Accessibility

Aa White text on this color

5.36:1

Aa Black text on this color

3.92:1

White text reads better on this background (5.36:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6363ae · ΔE 3.6

Deuteranopia

#6364a9 · ΔE 4.6

Tritanopia

#669e9b · ΔE 33.1

Achromatopsia

#6b6b6b · ΔE 25.3

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

Code

CSS

background-color: #665ebf;

Tailwind (arbitrary value)

bg-[#665ebf]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#665ebf (#665ebf) is rgb(102, 94, 191) in RGB.

No, #665ebf 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 #665ebf, or check how it holds up for accessibility.

Generate a palette → Check contrast