#688ca4

Color #688ca4

A muted medium blue.

Closest named color Light Slate Gray #778899 · ΔE 6.95 Nearest Tailwind class cyan-600 #0092b8 · ΔE 9.1

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Conversions

HEX

#688ca4

RGB

rgb(104, 140, 164)

HSL

hsl(204, 24.8%, 52.5%)

HSV / HSB

hsv(204, 36.6%, 64.3%)

CMYK

cmyk(36.6%, 14.6%, 0%, 35.7%)

LAB

lab(56.46, -6.35, -16.7)

LCH

lch(56.46, 17.87, 249.18)

OKLCH

oklch(62.2%, 0.0542, 237.89)

HWB

hwb(204, 40.8%, 35.7%)

Harmony colors

Complementary

#a48068

Analogous

#68a49e

#688ca4

#686ea4

Triadic

#688ca4

#a4688c

#8ca468

Split-complementary

#688ca4

#a4686e

#a49e68

Tetradic

#688ca4

#8068a4

#a48068

#8ca468

Square

#688ca4

#9e68a4

#a48068

#6ea468

Shades

Color #688ca4 mixed toward black.

#54758b

#435e6f

#324654

#222f38

#11171c

Tints

Color #688ca4 mixed toward white.

#819fb3

#9ab2c2

#b3c5d1

#cdd9e1

#e6ecf0

Tones

Color #688ca4 mixed toward gray.

#6d8b9f

#728a9a

#778995

#7c8890

#81878b

Accessibility

Aa White text on this color

3.57:1

Aa Black text on this color

5.88:1

Black text reads better on this background (5.88:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#797a9f · ΔE 15.1

Deuteranopia

#77749d · ΔE 16.8

Tritanopia

#6a9a99 · ΔE 13.1

Achromatopsia

#878787 · ΔE 13.4

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

Code

CSS

background-color: #688ca4;

Tailwind (arbitrary value)

bg-[#688ca4]

Related colors

Charcoal #36454f

Light Sky Blue #87cefa

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#688ca4 (#688ca4) is rgb(104, 140, 164) in RGB.

No, #688ca4 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.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #688ca4, or check how it holds up for accessibility.

Generate a palette → Check contrast