HEX atlas value

#4F666A

#4F666A is a cool cyan HEX color nearest Storm Blue. RGB 79, 102, 106, HSL 189° 15% 36%, luminance 0.1221; view contrast and conversions.

cyan cool muted

#4F666A Sample readable text

HEX #4F666A

RGB rgb(79, 102, 106)

HSL hsl(189 15% 36%)

CMYK cmyk(25, 4, 0, 58)

Luminance 0.1221

Contrast Black 3.44:1White 6.1:1

CSS

--color-4f666a: #4F666A;
.background-4f666a { background-color: #4F666A; }
.text-4f666a { color: #4F666A; }

HEX meaning and use

About #4F666A

#4F666A is classified as a cool cyan value with muted visual character. #4F666A is visually closest to Storm Blue, a named cyan color with HEX #4F666A.

The RGB channels are 79, 102, and 106, with blue carrying the strongest channel weight. In HSL, the hue is 189deg with 15% saturation and 36% 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 0.1221, white 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 text3.44:1AA Fail

White text6.1:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #4F666A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.44:1 · Fail

White text#FFFFFF6.1:1 · AA

Accessible Alternatives

#273335#273335 · #FFFFFF text · best 13.03:1 #6A524E#6A524E · #FFFFFF text · best 7.17:1 #4E586A#4E586A · #FFFFFF text · best 7.17:1 #5C5C5C#5C5C5C · #FFFFFF text · best 6.69:1 #78969B#78969B · #000000 text · best 6.63:1

Generated Palette

Storm Blue#4F666A

#6A524E#6A524E

#4E6A60#4E6A60

#4E586A#4E586A

#78969B#78969B

#273335#273335

Color Harmonies

#6A524E#6A524E

#4E6A60#4E6A60

#4E586A#4E586A

#6A4E65#6A4E65

#656A4E#656A4E

Variants

#78969B#78969B

#273335#273335

#3A747E#3A747E

#5C5C5C#5C5C5C

#9C9C9C#9C9C9C

#00BFE0#00BFE0

Nearest Named Colors

Storm Blue#4F666A

Shale#59656F

Hookers Green#49796B

Granite#676767

Aegean Blue#4E6E81

Luminance0.1221

Black text3.44:1AA Fail

White text6.1:1AA Pass

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":"#4F666A","rgb":[79,102,106],"hsl":[189,15,36],"cmyk":[25,4,0,58],"luminance":0.1221,"contrast":{"black":3.44,"white":6.1}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":3.44,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":6.1,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#273335","hex":"#273335","family":"cyan","bestTextColor":"#FFFFFF","contrastBlack":1.61,"contrastWhite":13.03,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#6A524E","hex":"#6A524E","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.93,"contrastWhite":7.17,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#4E586A","hex":"#4E586A","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.93,"contrastWhite":7.17,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#5C5C5C","hex":"#5C5C5C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":3.14,"contrastWhite":6.69,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#78969B","hex":"#78969B","family":"cyan","bestTextColor":"#000000","contrastBlack":6.63,"contrastWhite":3.17,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["cool cyan","muted","muted cyan","Storm Blue adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/4f666a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/storm-blue.json","https://www.colorsencyclopedia.com/api/colors/shale.json","https://www.colorsencyclopedia.com/api/colors/hookers-green.json"]}

Harmonies

{"complementary":"#6A524E","analogous":["#4E6A60","#4E586A"],"triadic":["#6A4E65","#656A4E"],"tetradic":["#604E6A","#6A524E","#586A4E"],"splitComplementary":["#6A4E58","#6A604E"],"monochromatic":["#78969B","#4F666A","#273335"]}

Variants

{"light":"#78969B","dark":"#273335","saturated":"#3A747E","desaturated":"#5C5C5C","pastel":"#9C9C9C","neon":"#00BFE0"}

Nearest named colors

[{"slug":"storm-blue","name":"Storm Blue","hex":"#4F666A","distance":0},{"slug":"shale","name":"Shale","hex":"#59656F","distance":11.224972160321824},{"slug":"hookers-green","name":"Hookers Green","hex":"#49796B","distance":19.949937343260004},{"slug":"granite","name":"Granite","hex":"#676767","distance":24.20743687382041},{"slug":"aegean-blue","name":"Aegean Blue","hex":"#4E6E81","distance":24.372115213907882}]

#4F666A

CSS

About #4F666A

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