#669ff9

Color #669ff9

A vivid, highly saturated light blue.

Closest named color Cornflower Blue #6495ed · ΔE 3.93 Nearest Tailwind class blue-400 #51a2ff · ΔE 3.2

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

Conversions

HEX

#669ff9

RGB

rgb(102, 159, 249)

HSL

hsl(216.7, 92.5%, 68.8%)

HSV / HSB

hsv(216.7, 59%, 97.6%)

CMYK

cmyk(59%, 36.1%, 0%, 2.4%)

LAB

lab(65.32, 7.75, -50.5)

LCH

lch(65.32, 51.09, 278.72)

OKLCH

oklch(70.3%, 0.1457, 259.2)

HWB

hwb(216.7, 40%, 2.4%)

Harmony colors

Complementary

#f9c066

Analogous

#66e9f9

#669ff9

#7666f9

Triadic

#669ff9

#f9669f

#9ff966

Split-complementary

#669ff9

#f97666

#e9f966

Tetradic

#669ff9

#c066f9

#f9c066

#9ff966

Square

#669ff9

#f966e9

#f9c066

#66f976

Shades

Color #669ff9 mixed toward black.

#2e7cf7

#095de1

#0746a9

#042e71

#021738

Tints

Color #669ff9 mixed toward white.

#7faffa

#99bffb

#b2cffc

#ccdffd

#e5effe

Tones

Color #669ff9 mixed toward gray.

#72a2ed

#7ea4e1

#8ba7d4

#97aac8

#a3adbc

Accessibility

Aa White text on this color

2.66:1

Aa Black text on this color

7.89:1

Black text reads better on this background (7.89:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8383e7 · ΔE 12.8

Deuteranopia

#7f7be3 · ΔE 14.6

Tritanopia

#6ad8d5 · ΔE 30.1

Achromatopsia

#9f9f9f · ΔE 23.8

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

Code

CSS

background-color: #669ff9;

Tailwind (arbitrary value)

bg-[#669ff9]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#669ff9 (#669ff9) is rgb(102, 159, 249) in RGB.

No, #669ff9 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 #669ff9, or check how it holds up for accessibility.

Generate a palette → Check contrast