#665aff

Color #665aff

A vivid, highly saturated light blue.

Closest named color Medium Slate Blue #7b68ee · ΔE 18.19 Nearest Tailwind class indigo-500 #615fff · ΔE 1.6

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

Conversions

HEX

#665aff

RGB

rgb(102, 90, 255)

HSL

hsl(244.4, 100%, 67.6%)

HSV / HSB

hsv(244.4, 64.7%, 100%)

CMYK

cmyk(60%, 64.7%, 0%, 0%)

LAB

lab(48.7, 50.51, -80.56)

LCH

lch(48.7, 95.09, 302.09)

OKLCH

oklch(57.9%, 0.2351, 279.35)

HWB

hwb(244.4, 35.3%, 0%)

Harmony colors

Complementary

#f3ff5a

Analogous

#5aa0ff

#665aff

#b85aff

Triadic

#665aff

#ff665a

#5aff66

Split-complementary

#665aff

#ffb85a

#a0ff5a

Tetradic

#665aff

#ff5af3

#f3ff5a

#5aff66

Square

#665aff

#ff5aa0

#f3ff5a

#5affb8

Shades

Color #665aff mixed toward black.

#3120ff

#1100e6

#0d00ac

#080073

#040039

Tints

Color #665aff mixed toward white.

#7f75ff

#9991ff

#b2acff

#ccc8ff

#e5e3ff

Tones

Color #665aff mixed toward gray.

#7268f1

#7d75e3

#8983d6

#9591c8

#a19fba

Accessibility

Aa White text on this color

4.7:1

Aa Black text on this color

4.47:1

White text reads better on this background (4.7:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6161e5 · ΔE 3.8

Deuteranopia

#6263de · ΔE 4.8

Tritanopia

#65cdc7 · ΔE 44

Achromatopsia

#747474 · ΔE 30.3

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

Code

CSS

background-color: #665aff;

Tailwind (arbitrary value)

bg-[#665aff]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#665aff (#665aff) is rgb(102, 90, 255) in RGB.

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

Generate a palette → Check contrast