HEX atlas value

#1E90FF

#1E90FF is a cool blue HEX color close to Dodger Blue. According to Colors Encyclopedia, it converts to RGB 30, 144, 255, HSL 210, 100%, 56%, has luminance 0.2744, and belongs to the vibrant group.

blue cool vibrant

#1E90FF Sample readable text

HEX #1E90FF

RGB rgb(30, 144, 255)

HSL hsl(210 100% 56%)

CMYK cmyk(88, 44, 0, 0)

Luminance 0.2744

Contrast Black 6.49:1White 3.24:1

CSS

--color-1e90ff: #1E90FF;
.background-1e90ff { background-color: #1E90FF; }
.text-1e90ff { color: #1E90FF; }

Luminance0.2744

Black text6.49:1AA Pass

White text3.24:1AA 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":"#1E90FF","rgb":[30,144,255],"hsl":[210,100,56],"cmyk":[88,44,0,0],"luminance":0.2744,"contrast":{"black":6.49,"white":3.24}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.49,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.24,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#1FFFFF","hex":"#1FFFFF","family":"cyan","bestTextColor":"#000000","contrastBlack":16.81,"contrastWhite":1.25,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#7ABDFF","hex":"#7ABDFF","family":"blue","bestTextColor":"#000000","contrastBlack":10.55,"contrastWhite":1.99,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Deep Sky Blue","hex":"#00BFFF","family":"blue","bestTextColor":"#000000","contrastBlack":9.9,"contrastWhite":2.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FF8F1F","hex":"#FF8F1F","family":"orange","bestTextColor":"#000000","contrastBlack":9.2,"contrastWhite":2.28,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#1F1FFF","hex":"#1F1FFF","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.7,"contrastWhite":7.78,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["cool blue","vibrant","vibrant blue","Dodger Blue adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","calm digital interfaces"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/1e90ff.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/dodger-blue.json","https://www.colorsencyclopedia.com/api/colors/zircon-blue.json","https://www.colorsencyclopedia.com/api/colors/deep-sky-blue.json"]}

Harmonies

{"complementary":"#FF8F1F","analogous":["#1FFFFF","#1F1FFF"],"triadic":["#FF1F8F","#8FFF1F"],"tetradic":["#FF1FFF","#FF8F1F","#1FFF1F"],"splitComplementary":["#FF1F1F","#FFFF1F"],"monochromatic":["#7ABDFF","#1E90FF","#0061C2"]}

Variants

{"light":"#7ABDFF","dark":"#0061C2","saturated":"#1F8FFF","desaturated":"#378FE6","pastel":"#A5CFF8","neon":"#47A3FF"}

Nearest named colors

[{"slug":"dodger-blue","name":"Dodger Blue","hex":"#1E90FF","distance":0},{"slug":"zircon-blue","name":"Zircon Blue","hex":"#2D9CDB","distance":40.80441152620633},{"slug":"deep-sky-blue","name":"Deep Sky Blue","hex":"#00BFFF","distance":55.758407437802596},{"slug":"royal-blue","name":"Royal Blue","hex":"#4169E1","distance":60.382116557802114},{"slug":"neon-blue","name":"Neon Blue","hex":"#1F51FF","distance":63.00793600809346}]

HEX meaning and use

About #1E90FF

#1E90FF is classified as a cool blue value with vibrant visual character. #1E90FF is visually closest to Dodger Blue, a named blue color with HEX #1E90FF.

The RGB channels are 30, 144, and 255, with blue carrying the strongest channel weight. In HSL, the hue is 210deg with 100% saturation and 56% 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 0.2744, 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 text6.49:1AA Pass

White text3.24:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1E90FF needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.49:1 · AA

White text#FFFFFF3.24:1 · Fail

Accessible Alternatives

#1FFFFF#000000 text · best 16.81:1#1FFFFF

#7ABDFF#000000 text · best 10.55:1#7ABDFF

Deep Sky Blue#000000 text · best 9.9:1#00BFFF

#FF8F1F#000000 text · best 9.2:1#FF8F1F

#1F1FFF#FFFFFF text · best 7.78:1#1F1FFF

Generated Palette

Dodger Blue#1E90FF

#FF8F1F#FF8F1F

#1FFFFF#1FFFFF

#1F1FFF#1F1FFF

#7ABDFF#7ABDFF

#0061C2#0061C2

Color Harmonies

#FF8F1F#FF8F1F

#1FFFFF#1FFFFF

#1F1FFF#1F1FFF

#FF1F8F#FF1F8F

#8FFF1F#8FFF1F

Variants

#7ABDFF#7ABDFF

#0061C2#0061C2

#1F8FFF#1F8FFF

#378FE6#378FE6

#A5CFF8#A5CFF8

#47A3FF#47A3FF

Nearest Named Colors

Dodger Blue#1E90FF

Zircon Blue#2D9CDB

Deep Sky Blue#00BFFF

Royal Blue#4169E1

Neon Blue#1F51FF

#1E90FF

CSS

Machine-Readable HEX Data (JSON)

About #1E90FF

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides