#647bb4

Color #647bb4

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 11.09 Nearest Tailwind class slate-500 #62748e · ΔE 7.5

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

Conversions

HEX

#647bb4

RGB

rgb(100, 123, 180)

HSL

hsl(222.8, 34.8%, 54.9%)

HSV / HSB

hsv(222.8, 44.4%, 70.6%)

CMYK

cmyk(44.4%, 31.7%, 0%, 29.4%)

LAB

lab(52.03, 6.99, -32.76)

LCH

lch(52.03, 33.5, 282.04)

OKLCH

oklch(58.9%, 0.0919, 266.82)

HWB

hwb(222.8, 39.2%, 29.4%)

Harmony colors

Complementary

#b49d64

Analogous

#64a3b4

#647bb4

#7564b4

Triadic

#647bb4

#b4647b

#7bb464

Split-complementary

#647bb4

#b47564

#a3b464

Tetradic

#647bb4

#9d64b4

#b49d64

#7bb464

Square

#647bb4

#b464a3

#b49d64

#64b475

Shades

Color #647bb4 mixed toward black.

#4c639d

#3d4f7e

#2e3c5e

#1e283f

#0f141f

Tints

Color #647bb4 mixed toward white.

#7e91c1

#98a7cd

#b1bdda

#cbd3e6

#e5e9f3

Tones

Color #647bb4 mixed toward gray.

#6b7ead

#7181a7

#7883a0

#7f8699

#858993

Accessibility

Aa White text on this color

4.17:1

Aa Black text on this color

5.03:1

Black text reads better on this background (5.03:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6f6fa8 · ΔE 6.9

Deuteranopia

#6d6ca6 · ΔE 7.6

Tritanopia

#659f9c · ΔE 25.4

Achromatopsia

#7c7c7c · ΔE 19.3

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

Code

CSS

background-color: #647bb4;

Tailwind (arbitrary value)

bg-[#647bb4]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#647bb4 (#647bb4) is rgb(100, 123, 180) in RGB.

No, #647bb4 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 #647bb4, or check how it holds up for accessibility.

Generate a palette → Check contrast