HEX atlas value

#483D8B

#483D8B is a cool blue HEX color nearest Dark Slate Blue. RGB 72, 61, 139, HSL 248° 39% 39%, luminance 0.0658; view contrast and conversions.

blue cool balanced

#483D8B Sample readable text

HEX #483D8B

RGB rgb(72, 61, 139)

HSL hsl(248 39% 39%)

CMYK cmyk(48, 56, 0, 45)

Luminance 0.0658

Contrast Black 2.32:1White 9.07:1

CSS

--color-483d8b: #483D8B;
.background-483d8b { background-color: #483D8B; }
.text-483d8b { color: #483D8B; }

HEX meaning and use

About #483D8B

#483D8B is classified as a cool blue value with balanced visual character. #483D8B is visually closest to Dark Slate Blue, a named blue color with HEX #483D8B.

The RGB channels are 72, 61, and 139, with blue carrying the strongest channel weight. In HSL, the hue is 248deg with 39% saturation and 39% lightness, so this page treats it as a moderate-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 calm digital interfaces. Its luminance is 0.0658, 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 text2.32:1AA Fail

White text9.07:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #483D8B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.32:1 · Fail

White text#FFFFFF9.07:1 · AAA

Accessible Alternatives

#26214A#26214A · #FFFFFF text · best 15.02:1 #3727A0#3727A0 · #FFFFFF text · best 10.71:1 Imperial Purple#602F6B · #FFFFFF text · best 9.92:1 Rebecca Purple#663399 · #FFFFFF text · best 8.41:1 Amethyst Deep#5D3A9B · #FFFFFF text · best 8.25:1

Generated Palette

Dark Slate Blue#483D8B

#808A3D#808A3D

#3D598A#3D598A

#6E3D8A#6E3D8A

#7267BC#7267BC

#26214A#26214A

Color Harmonies

#808A3D#808A3D

#3D598A#3D598A

#6E3D8A#6E3D8A

#8A473D#8A473D

#3D8A47#3D8A47

Variants

#7267BC#7267BC

#26214A#26214A

#3727A0#3727A0

#575374#575374

#938DB9#938DB9

#2000F0#2000F0

Nearest Named Colors

Dark Slate Blue#483D8B

Iolite#5A4C8D

Amethyst Deep#5D3A9B

Rebecca Purple#663399

Imperial Purple#602F6B

Luminance0.0658

Black text2.32:1AA Fail

White text9.07:1AA 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":"#483D8B","rgb":[72,61,139],"hsl":[248,39,39],"cmyk":[48,56,0,45],"luminance":0.0658,"contrast":{"black":2.32,"white":9.07}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":2.32,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":9.07,"wcagAA":true,"wcagAAA":true}]

Accessible alternatives

[{"name":"#26214A","hex":"#26214A","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.4,"contrastWhite":15.02,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#3727A0","hex":"#3727A0","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.96,"contrastWhite":10.71,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Imperial Purple","hex":"#602F6B","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":2.12,"contrastWhite":9.92,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Rebecca Purple","hex":"#663399","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":2.5,"contrastWhite":8.41,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Amethyst Deep","hex":"#5D3A9B","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":2.54,"contrastWhite":8.25,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["cool blue","balanced","balanced blue","Dark Slate Blue adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","calm digital interfaces"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/483d8b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/dark-slate-blue.json","https://www.colorsencyclopedia.com/api/colors/iolite.json","https://www.colorsencyclopedia.com/api/colors/amethyst-deep.json"]}

Harmonies

{"complementary":"#808A3D","analogous":["#3D598A","#6E3D8A"],"triadic":["#8A473D","#3D8A47"],"tetradic":["#8A3D59","#808A3D","#3D8A6E"],"splitComplementary":["#8A6E3D","#598A3D"],"monochromatic":["#7267BC","#483D8B","#26214A"]}

Variants

{"light":"#7267BC","dark":"#26214A","saturated":"#3727A0","desaturated":"#575374","pastel":"#938DB9","neon":"#2000F0"}

Nearest named colors

[{"slug":"dark-slate-blue","name":"Dark Slate Blue","hex":"#483D8B","distance":0},{"slug":"iolite","name":"Iolite","hex":"#5A4C8D","distance":23.515952032609693},{"slug":"amethyst-deep","name":"Amethyst Deep","hex":"#5D3A9B","distance":26.570660511172846},{"slug":"rebecca-purple","name":"Rebecca Purple","hex":"#663399","distance":34.583232931581165},{"slug":"imperial-purple","name":"Imperial Purple","hex":"#602F6B","distance":42.37924020083418}]

#483D8B

CSS

About #483D8B

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