HEX atlas value

#4169E1

#4169E1 is a cool blue HEX color close to Royal Blue. According to Colors Encyclopedia, it converts to RGB 65, 105, 225, HSL 225, 73%, 57%, has luminance 0.1666, and belongs to the vibrant group.

blue cool vibrant

#4169E1 Sample readable text

HEX #4169E1

RGB rgb(65, 105, 225)

HSL hsl(225 73% 57%)

CMYK cmyk(71, 53, 0, 12)

Luminance 0.1666

Contrast Black 4.33:1White 4.85:1

CSS

--color-4169e1: #4169E1;
.background-4169e1 { background-color: #4169E1; }
.text-4169e1 { color: #4169E1; }

Luminance0.1666

Black text4.33:1AA Fail

White text4.85:1AA 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":"#4169E1","rgb":[65,105,225],"hsl":[225,73,57],"cmyk":[71,53,0,12],"luminance":0.1666,"contrast":{"black":4.33,"white":4.85}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.33,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.85,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#E1B941","hex":"#E1B941","family":"yellow","bestTextColor":"#000000","contrastBlack":11.22,"contrastWhite":1.87,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#41B9E1","hex":"#41B9E1","family":"blue","bestTextColor":"#000000","contrastBlack":9.25,"contrastWhite":2.27,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#91A8EE","hex":"#91A8EE","family":"blue","bestTextColor":"#000000","contrastBlack":9.04,"contrastWhite":2.32,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#1B3FAC","hex":"#1B3FAC","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.35,"contrastWhite":8.92,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#6941E1","hex":"#6941E1","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":3.44,"contrastWhite":6.1,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]

AI context

{"semanticGroups":["cool blue","vibrant","vibrant blue","Royal Blue adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","calm digital interfaces"],"contrastSafeWith":["#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/4169e1.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/royal-blue.json","https://www.colorsencyclopedia.com/api/colors/iris.json","https://www.colorsencyclopedia.com/api/colors/slate-blue.json"]}

Harmonies

{"complementary":"#E1B941","analogous":["#41B9E1","#6941E1"],"triadic":["#E14169","#69E141"],"tetradic":["#E141B9","#E1B941","#41E169"],"splitComplementary":["#E16941","#B9E141"],"monochromatic":["#91A8EE","#4169E1","#1B3FAC"]}

Variants

{"light":"#91A8EE","dark":"#1B3FAC","saturated":"#295DFA","desaturated":"#5975C9","pastel":"#B6C4EC","neon":"#4D79FF"}

Nearest named colors

[{"slug":"royal-blue","name":"Royal Blue","hex":"#4169E1","distance":0},{"slug":"iris","name":"Iris","hex":"#5A4FCF","distance":40.311288741492746},{"slug":"slate-blue","name":"Slate Blue","hex":"#6A5ACD","distance":48.02082881417188},{"slug":"neon-blue","name":"Neon Blue","hex":"#1F51FF","distance":51.30302135352264},{"slug":"steel-blue","name":"Steel Blue","hex":"#4682B4","distance":51.720402163943}]

HEX meaning and use

About #4169E1

#4169E1 is classified as a cool blue value with vibrant visual character. #4169E1 is visually closest to Royal Blue, a named blue color with HEX #4169E1.

The RGB channels are 65, 105, and 225, with blue carrying the strongest channel weight. In HSL, the hue is 225deg with 73% saturation and 57% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.1666, 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 text4.33:1AA Fail

White text4.85:1AA Pass

AA text options: #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #4169E1 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.33:1 · Fail

White text#FFFFFF4.85:1 · AA

Accessible Alternatives

#E1B941#000000 text · best 11.22:1#E1B941

#41B9E1#000000 text · best 9.25:1#41B9E1

#91A8EE#000000 text · best 9.04:1#91A8EE

#1B3FAC#FFFFFF text · best 8.92:1#1B3FAC

#6941E1#FFFFFF text · best 6.1:1#6941E1

Generated Palette

Royal Blue#4169E1

#E1B941#E1B941

#41B9E1#41B9E1

#6941E1#6941E1

#91A8EE#91A8EE

#1B3FAC#1B3FAC

Color Harmonies

#E1B941#E1B941

#41B9E1#41B9E1

#6941E1#6941E1

#E14169#E14169

#69E141#69E141

Variants

#91A8EE#91A8EE

#1B3FAC#1B3FAC

#295DFA#295DFA

#5975C9#5975C9

#B6C4EC#B6C4EC

#4D79FF#4D79FF

Nearest Named Colors

Royal Blue#4169E1

Iris#5A4FCF

Slate Blue#6A5ACD

Neon Blue#1F51FF

Steel Blue#4682B4

#4169E1

CSS

Machine-Readable HEX Data (JSON)

About #4169E1

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides