#665dbb

Color #665dbb

A moderately saturated medium blue.

Closest named color Slate Blue #6a5acd · ΔE 12.27 Nearest Tailwind class indigo-500 #615fff · ΔE 9.4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#665dbb

RGB

rgb(102, 93, 187)

HSL

hsl(245.7, 40.9%, 54.9%)

HSV / HSB

hsv(245.7, 50.3%, 73.3%)

CMYK

cmyk(45.5%, 50.3%, 0%, 26.7%)

LAB

lab(44.58, 27.93, -48.6)

LCH

lch(44.58, 56.05, 299.89)

OKLCH

oklch(53.3%, 0.1428, 284.8)

HWB

hwb(245.7, 36.5%, 26.7%)

Harmony colors

Complementary

#b2bb5d

Analogous

#5d83bb

#665dbb

#955dbb

Triadic

#665dbb

#bb665d

#5dbb66

Split-complementary

#665dbb

#bb955d

#83bb5d

Tetradic

#665dbb

#bb5db2

#b2bb5d

#5dbb66

Square

#665dbb

#bb5d83

#b2bb5d

#5dbb95

Shades

Color #665dbb mixed toward black.

#4e45a4

#3e3784

#2f2963

#1f1c42

#100e21

Tints

Color #665dbb mixed toward white.

#7f78c6

#9993d2

#b2aedd

#ccc9e8

#e5e4f4

Tones

Color #665dbb mixed toward gray.

#6c65b3

#736dab

#7974a4

#7f7c9c

#868494

Accessibility

Aa White text on this color

5.46:1

Aa Black text on this color

3.85:1

White text reads better on this background (5.46:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6262aa · ΔE 3.7

Deuteranopia

#6363a6 · ΔE 4.6

Tritanopia

#669b98 · ΔE 32.5

Achromatopsia

#696969 · ΔE 25

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

Code

CSS

background-color: #665dbb;

Tailwind (arbitrary value)

bg-[#665dbb]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#665dbb (#665dbb) is rgb(102, 93, 187) in RGB.

No, #665dbb 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #665dbb, or check how it holds up for accessibility.

Generate a palette → Check contrast