HEX atlas value

#778899

#778899 is a cool blue HEX color nearest Light Slate Gray. RGB 119, 136, 153, HSL 210° 14% 53%, luminance 0.2383; view contrast and conversions.

blue cool muted

#778899 Sample readable text

HEX #778899

RGB rgb(119, 136, 153)

HSL hsl(210 14% 53%)

CMYK cmyk(22, 11, 0, 40)

Luminance 0.2383

Contrast Black 5.77:1White 3.64:1

CSS

--color-778899: #778899;
.background-778899 { background-color: #778899; }
.text-778899 { color: #778899; }

HEX meaning and use

About #778899

#778899 is classified as a cool blue value with muted visual character. #778899 is visually closest to Light Slate Gray, a named blue color with HEX #778899.

The RGB channels are 119, 136, and 153, with blue carrying the strongest channel weight. In HSL, the hue is 210deg with 14% saturation and 53% lightness, so this page treats it as a low-saturation, mid-lightness atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and muted interface themes. Its luminance is 0.2383, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.77:1AA Pass

White text3.64:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #778899 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.77:1 · AA

White text#FFFFFF3.64:1 · Fail

Accessible Alternatives

#ABB5BF#ABB5BF · #000000 text · best 10.09:1 #4D5966#4D5966 · #FFFFFF text · best 7.15:1 #769898#769898 · #000000 text · best 6.72:1 #988776#988776 · #000000 text · best 6.06:1 River Stone#7E8A8A · #000000 text · best 5.89:1

Generated Palette

Light Slate Grey#778899

#988776#988776

#769898#769898

#767698#767698

#ABB5BF#ABB5BF

#4D5966#4D5966

Color Harmonies

#988776#988776

#769898#769898

#767698#767698

#987687#987687

#879876#879876

Variants

#ABB5BF#ABB5BF

#4D5966#4D5966

#5C87B2#5C87B2

#878787#878787

#C7C7C7#C7C7C7

#389CFF#389CFF

Nearest Named Colors

Light Slate Gray#778899

Light Slate Grey#778899

Slate Gray#708090

Slate Grey#708090

River Stone#7E8A8A

Luminance0.2383

Black text5.77:1AA Pass

White text3.64:1AA Fail

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#778899","rgb":[119,136,153],"hsl":[210,14,53],"cmyk":[22,11,0,40],"luminance":0.2383,"contrast":{"black":5.77,"white":3.64}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.77,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.64,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#ABB5BF","hex":"#ABB5BF","family":"blue","bestTextColor":"#000000","contrastBlack":10.09,"contrastWhite":2.08,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#4D5966","hex":"#4D5966","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.94,"contrastWhite":7.15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#769898","hex":"#769898","family":"cyan","bestTextColor":"#000000","contrastBlack":6.72,"contrastWhite":3.13,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#988776","hex":"#988776","family":"orange","bestTextColor":"#000000","contrastBlack":6.06,"contrastWhite":3.46,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"River Stone","hex":"#7E8A8A","family":"gray","bestTextColor":"#000000","contrastBlack":5.89,"contrastWhite":3.57,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["cool blue","muted","muted blue","Light Slate Gray adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes","calm digital interfaces"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/778899.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/light-slate-gray.json","https://www.colorsencyclopedia.com/api/colors/light-slate-grey.json","https://www.colorsencyclopedia.com/api/colors/slate-gray.json"]}

Harmonies

{"complementary":"#988776","analogous":["#769898","#767698"],"triadic":["#987687","#879876"],"tetradic":["#987698","#988776","#769876"],"splitComplementary":["#987676","#989876"],"monochromatic":["#ABB5BF","#778899","#4D5966"]}

Variants

{"light":"#ABB5BF","dark":"#4D5966","saturated":"#5C87B2","desaturated":"#878787","pastel":"#C7C7C7","neon":"#389CFF"}

Nearest named colors

[{"slug":"light-slate-gray","name":"Light Slate Gray","hex":"#778899","distance":0},{"slug":"light-slate-grey","name":"Light Slate Grey","hex":"#778899","distance":0},{"slug":"slate-gray","name":"Slate Gray","hex":"#708090","distance":13.92838827718412},{"slug":"slate-grey","name":"Slate Grey","hex":"#708090","distance":13.92838827718412},{"slug":"river-stone","name":"River Stone","hex":"#7E8A8A","distance":16.673332000533065}]

#778899

CSS

About #778899

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides