#648bbb

Color #648bbb

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 6.44 Nearest Tailwind class blue-500 #2b7fff · ΔE 7.3

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Conversions

HEX

#648bbb

RGB

rgb(100, 139, 187)

HSL

hsl(213.1, 39%, 56.3%)

HSV / HSB

hsv(213.1, 46.5%, 73.3%)

CMYK

cmyk(46.5%, 25.7%, 0%, 26.7%)

LAB

lab(56.84, -0.35, -29.27)

LCH

lch(56.84, 29.27, 269.31)

OKLCH

oklch(62.7%, 0.085, 254.08)

HWB

hwb(213.1, 39.2%, 26.7%)

Harmony colors

Complementary

#bb9464

Analogous

#64b7bb

#648bbb

#6964bb

Triadic

#648bbb

#bb648b

#8bbb64

Split-complementary

#648bbb

#bb6964

#b7bb64

Tetradic

#648bbb

#9464bb

#bb9464

#8bbb64

Square

#648bbb

#bb64b7

#bb9464

#64bb69

Shades

Color #648bbb mixed toward black.

#4973a6

#3a5c85

#2c4564

#1d2e43

#0f1721

Tints

Color #648bbb mixed toward white.

#7e9ec6

#98b2d2

#b2c5dd

#cbd8e8

#e5ecf4

Tones

Color #648bbb mixed toward gray.

#6b8cb4

#738dad

#7a8da5

#818e9e

#888f97

Accessibility

Aa White text on this color

3.53:1

Aa Black text on this color

5.95:1

Black text reads better on this background (5.95:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7777b1 · ΔE 11.3

Deuteranopia

#7571ae · ΔE 13

Tritanopia

#66a8a6 · ΔE 21.5

Achromatopsia

#888888 · ΔE 17.6

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

Code

CSS

background-color: #648bbb;

Tailwind (arbitrary value)

bg-[#648bbb]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Cornflower Blue #6495ed

Frequently asked questions

#648bbb (#648bbb) is rgb(100, 139, 187) in RGB.

No, #648bbb 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 #648bbb, or check how it holds up for accessibility.

Generate a palette → Check contrast