#659efb

Color #659efb

A vivid, highly saturated light blue.

Closest named color Cornflower Blue #6495ed · ΔE 4.17 Nearest Tailwind class blue-400 #51a2ff · ΔE 3.4

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

Conversions

HEX

#659efb

RGB

rgb(101, 158, 251)

HSL

hsl(217.2, 94.9%, 69%)

HSV / HSB

hsv(217.2, 59.8%, 98.4%)

CMYK

cmyk(59.8%, 37.1%, 0%, 1.6%)

LAB

lab(65.11, 8.78, -51.94)

LCH

lch(65.11, 52.68, 279.59)

OKLCH

oklch(70.2%, 0.1498, 259.73)

HWB

hwb(217.2, 39.6%, 1.6%)

Harmony colors

Complementary

#fbc265

Analogous

#65e9fb

#659efb

#7765fb

Triadic

#659efb

#fb659e

#9efb65

Split-complementary

#659efb

#fb7765

#e9fb65

Tetradic

#659efb

#c265fb

#fbc265

#9efb65

Square

#659efb

#fb65e9

#fbc265

#65fb77

Shades

Color #659efb mixed toward black.

#2c7af9

#065be5

#0444ab

#032d72

#011739

Tints

Color #659efb mixed toward white.

#7faefc

#98befc

#b2cefd

#ccdffe

#e5effe

Tones

Color #659efb mixed toward gray.

#71a1ee

#7ea4e2

#8aa7d5

#97aac9

#a3adbc

Accessibility

Aa White text on this color

2.68:1

Aa Black text on this color

7.84:1

Black text reads better on this background (7.84:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8282e9 · ΔE 12.6

Deuteranopia

#7e7ae4 · ΔE 14.6

Tritanopia

#69d9d5 · ΔE 30.9

Achromatopsia

#9e9e9e · ΔE 24.1

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

Code

CSS

background-color: #659efb;

Tailwind (arbitrary value)

bg-[#659efb]

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

#659efb (#659efb) is rgb(101, 158, 251) in RGB.

No, #659efb is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #659efb, or check how it holds up for accessibility.

Generate a palette → Check contrast