#667da3

Color #667da3

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 10.76 Nearest Tailwind class slate-500 #62748e · ΔE 5

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

Conversions

HEX

#667da3

RGB

rgb(102, 125, 163)

HSL

hsl(217.4, 24.9%, 52%)

HSV / HSB

hsv(217.4, 37.4%, 63.9%)

CMYK

cmyk(37.4%, 23.3%, 0%, 36.1%)

LAB

lab(51.99, 1.44, -22.97)

LCH

lch(51.99, 23.02, 273.59)

OKLCH

oklch(58.6%, 0.0646, 260.29)

HWB

hwb(217.4, 40%, 36.1%)

Harmony colors

Complementary

#a38c66

Analogous

#669ca3

#667da3

#6e66a3

Triadic

#667da3

#a3667d

#7da366

Split-complementary

#667da3

#a36e66

#9ca366

Tetradic

#667da3

#8c66a3

#a38c66

#7da366

Square

#667da3

#a3669c

#a38c66

#66a36e

Shades

Color #667da3 mixed toward black.

#53688a

#42536e

#323e53

#212937

#11151c

Tints

Color #667da3 mixed toward white.

#8093b2

#99a8c2

#b3bed1

#ccd4e0

#e6e9f0

Tones

Color #667da3 mixed toward gray.

#6b7e9e

#708099

#758194

#7a828f

#80838a

Accessibility

Aa White text on this color

4.18:1

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

#71719b · ΔE 8.3

Deuteranopia

#6f6e99 · ΔE 9

Tritanopia

#679493 · ΔE 19.8

Achromatopsia

#7c7c7c · ΔE 15.2

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

Code

CSS

background-color: #667da3;

Tailwind (arbitrary value)

bg-[#667da3]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Royal Blue #4169e1

Dodger Blue #1e90ff

Frequently asked questions

#667da3 (#667da3) is rgb(102, 125, 163) in RGB.

No, #667da3 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 #667da3, or check how it holds up for accessibility.

Generate a palette → Check contrast